{"title":"Bavsound","description":"","products":[{"product_id":"stage-one-bmw-speaker-upgrade-for-f11-wagon-with-standard-hi-fi","title":"Stage One BMW Speaker Upgrade for F11 Wagon with Standard Hi-Fi","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518392254689,"sku":"BSD.S1.F11.HF-Kit","price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.F11.HF-Kit-1.jpg?v=1764109837"},{"product_id":"stage-one-bmw-speaker-upgrade-for-f11-wagon-with-harman-kardon","title":"Stage One BMW Speaker Upgrade for F11 Wagon with Harman Kardon","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518392221921,"sku":"BSD.S1.F11.THF-Kit","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.F11.THF-Kit-1.jpg?v=1764109837"},{"product_id":"stage-one-bmw-speaker-upgrade-for-e92-coupe-with-individual-high-end-audio","title":"Stage One BMW Speaker Upgrade for E92 Coupe with Individual \/ High End Audio","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518392287457,"sku":"BSD.S1.E92.EA-Kit","price":799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/Stage-One-BMW-E92-Top-Hi-Fi-xl_1b39478c-7bd3-47e2-be76-a7b6a23ede6e.jpg?v=1764109838"},{"product_id":"bavsound-coaxial-stage-one-bmw-speaker-upgrade-for-f10-f11-sedan-wagon-with-base-audio","title":"Bavsound Coaxial Stage One BMW Speaker Upgrade for F10\/F11 Sedan\/Wagon with Base Audio","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518392320225,"sku":"BSD.S1.F10F11.BA-Kit","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.F10F11.BA-Kit-1.jpg?v=1764109838"},{"product_id":"bavsound-universal-tool-kit-includes-subwoofer-install-tools","title":"Bavsound Universal Tool Kit (Includes Subwoofer Install Tools)","description":"\u003cp\u003eThe Bavsound Universal Tool Kit contains 37 pieces that cover all that you need to install your Bavsound Speaker, Subwoofer, or Amplifier upgrade. It comes in a high quality cotton case, and is a fantastic tool kit not just for working on your vehicle, but for general use as well. \u003c\/p\u003e\n\u003cp\u003eTool Kit Includes:\u003c\/p\u003e\n\u003cp\u003e- Hex Bit Screwdriver and Hex Bit Ratchet\u003c\/p\u003e\n\u003cp\u003e- 22 Piece Hex Bit Set and 7\/8\/10mm Hex Sockets\u003c\/p\u003e\n\u003cp\u003e- 3\/8\" Drive Chrome Ratchet and 3\/8\" Extension\u003c\/p\u003e\n\u003cp\u003e- 10mm and 13mm 3\/8\" Drive Sockets\u003c\/p\u003e\n\u003cp\u003e- T40 and T50 Torx 3\/8\" Drive Bits\u003c\/p\u003e\n\u003cp\u003e- 10MM Chrome Wrench\u003c\/p\u003e\n\u003cp\u003e- Plastic Trim Panel Removal Tool\u003c\/p\u003e\n\u003cp\u003e- Metal\u003cspan data-mce-fragment=\"1\"\u003e Trim Panel Removal Tool\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e- Metal Right Angle Pick\u003c\/p\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518392352993,"sku":"BSD.TKSN.UNIVERSAL","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BAVSOUND-UNIVERSAL-4.jpg?v=1764109838"},{"product_id":"stage-one-bmw-speaker-upgrade-for-g32-with-harman-kardon","title":"Stage One BMW Speaker Upgrade for G32 with Harman Kardon","description":"\u003cmeta charset=\"UTF-8\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem data-mce-fragment=\"1\"\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518392385761,"sku":"BSD.S1.G32.HK-Kit","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.G32.HK-Kit-1.jpg?v=1764109838"},{"product_id":"bavsound-coaxial-stage-one-for-mini-gp3-with-base-audio","title":"Bavsound Coaxial Stage One for MINI GP3 with Base Audio","description":"\u003cmeta charset=\"UTF-8\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR MINI'S SPEAKERS\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003cb data-mce-fragment=\"1\"\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/b\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003cb data-mce-fragment=\"1\"\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/b\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003cb data-mce-fragment=\"1\"\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/b\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003cb data-mce-fragment=\"1\"\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/b\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003ci data-mce-fragment=\"1\"\u003eand \u003c\/i\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003cb data-mce-fragment=\"1\"\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/b\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003cb data-mce-fragment=\"1\"\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/b\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003cb data-mce-fragment=\"1\"\u003e4 YEAR WARRANTY: \u003c\/b\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518392549601,"sku":"BSD.S1.GP3.BA-Kit","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.GP3.BA-Kit-1.jpg?v=1764109838"},{"product_id":"stage-one-bmw-speaker-upgrade-for-g31-wagon-with-standard-hi-fi","title":"Stage One BMW Speaker Upgrade for G31 Wagon with Standard Hi-Fi","description":"\u003cmeta charset=\"utf-8\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem data-mce-fragment=\"1\"\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518392582369,"sku":"BSD.S1.G31.Hi-Fi-Kit","price":749.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.F25.HK.Stage-One-BMW-F25-HK-8347-xl_grande_62dcbbea-b32a-475f-b0ae-b00eb45c9559.jpg?v=1764109838"},{"product_id":"bavsound-coaxial-stage-one-bmw-speaker-upgrade-for-f25-x3-with-base-audio","title":"Bavsound Coaxial Stage One BMW Speaker Upgrade for F25 X3 with Base Audio","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518392647905,"sku":"BSD.S1.F25.BA-Kit","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.F25.BA-Kit-1.jpg?v=1764109839"},{"product_id":"bavsound-ghost-mini-underseat-subwoofers-v2-4-ohm-pair","title":"Bavsound Ghost MINI Underseat Subwoofers V2, 4 Ohm, Pair","description":"\u003cp\u003e\u003cstrong\u003eGET DOUBLE THE BASS IN YOUR BMW OR MINI IN ABOUT AN HOUR\u003cbr\u003e\u003c\/strong\u003e\u003cspan\u003eSimply swap your factory underseat woofers with our plug \u0026amp; play upgrade kit and, get incredibly powerful, tight bass. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTIGHTER, PUNCHIER BASS\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003eMore bass without clarity is just noise. Our woofers are not only louder, they're cleaner and clearer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cstrong\u003eDO-IT-YOURSELF, PLUG \u0026amp; PLAY, EASY INSTALL\u003c\/strong\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003c\/strong\u003eDo-it-yourself installation in about an hour, even for a novice. You don't even have to remove your seats!\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cstrong\u003eMORE SPACE = MORE FUN\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eUnlike other subwoofer solutions, upgrading your factory woofers takes up no extra space.\u003cbr\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHOW DO WE DELIVER BASS THAT'S LOUDER, CLEANER, AND TIGHTER WITHOUT CHANGING THE FACTORY AMP?\u003cbr\u003e\u003c\/strong\u003eIn a word, efficiency. Every watt of power generated by your amplifier yields about 2x the bass output with our woofers vs factory woofers.\u003c\/p\u003e\n\u003cp\u003eIf you're not familiar with the concept of \"efficiency\" in audio, just use this analogy: with your factory woofers, your amplifier is like a 200hp motor in a 4,000lb Camry.\u003c\/p\u003e\n\u003cp\u003eWith ours, it’s like the same 200hp motor in a 2,000lb Lotus Elise - twice the performance with the same power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2X THE BASS\u003cbr\u003e\u003c\/strong\u003eOur woofers are 10 dB+ louder from 20Hz to 60Hz vs factory woofers, resulting in twice the loudness in this critical “sub-bass” range (and over 8x the sonic energy). You won’t just hear the bass; you’ll feel it.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNEARLY FLAT FREQUENCY RESPONSE FOR EXCEPTIONAL LINEARITY\u003c\/strong\u003e in the key sub \/ mid-bass frequency range from 40Hz to 200Hz (+ or - 3 dB). Which means \"clean\" and balanced bass.\u003c\/p\u003e\n\u003cstrong\u003e100 DAY IN-CAR TRIAL, FREE RETURNS \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eInstall, audition, and fully experience your new audio gear -- if you don't love it, we'll cover return shipping and give you a full refund (U.S. Customers only).\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003e100% PLUG \u0026amp; PLAY \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eInstalls and fits just like your factory BMW woofers, right down to the bolts and factory style plug. (NOTE: 2018+ X3 models and vehicles with “Base” audio systems require slight modification to factory enclosure and may necessitate additional tools)\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eSIMPLE, DO-IT-YOURSELF INSTALLATION \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eTakes less than 90 minutes and only basic tools, even for a total novice. No complex wiring or additional hardware or installation is required. Simply unbolt your front seats, remove the woofer covers, unbolt your factory woofers, and install ours. That's it!\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eUSE YOUR FACTORY AMPLIFIER AND GET EXCEPTIONAL BASS RESPONSE (OR OURS, AND GET EVEN MORE)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eWe utilize your factory amplifier to generate amazing bass response in your BMW. To do so, we've designed our woofers using technologies like oversized neodymium magnets and lightweight poly cone to maximize every watt of power they generate and translate that into raw output. That means amazing bass response without replacing your amplifier. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eSUPER TIGHT, PUNCHY MIDBASS \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eYour factory underseat woofers aren't just subwoofers; they're midbass drivers. That means they play not just the lowest frequencies, but also \"punchy\" midbass frequencies like snare drums and high bass guitar notes. \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003eUnlike our woofers, which are designed to outperform the factory woofers for both subwoofer and midbass frequencies, other underseat subwoofer upgrades on the market are only capable of playing sub frequencies, not midbass, so you miss a huge portion of the frequency range.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eFACTORY MATCHED\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIMPEDANCE\u003cbr\u003e\u003c\/strong\u003eDepending on your audio system, your factory BMW woofers come in 2, 4, or 8 Ohm impedance. Our woofers are matched to the impedance of your factory woofers (we have different versions for each) to maximize performance and ensure the longevity of your factory amplifier.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eUPGRADEABLE DESIGN WITH 160W RMS \/ 320W PEAK POWER HANDLING PER WOOFER \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eEven though our woofers are designed to be extremely efficient to maximize the output of your factory amplifier, they're also built for upgradability. You can power them with an aftermarket amplifier of your choice, up to 160W per channel, but we recommend \u003ca href=\"https:\/\/www.bavsound.com\/pages\/landing-page-bmw-revenant-amplifier\" title=\"Landing Page - BMW Revenant Amplifier\"\u003ethe ultimate amplifier upgrade for your BMW: The Revenant, by Bavsound.\u003c\/a\u003eTranslation? If you'd like to melt your face off with absurd quantities of bass, you can -- \u003ca href=\"https:\/\/www.bavsound.com\/pages\/landing-page-bmw-revenant-amplifier\" title=\"Landing Page - BMW Revenant Amplifier\"\u003ejust add an amp.\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eTHE PERFECT MATCH TO OUR LEGENDARY SPEAKER AND AMPLIFIER UPGRADES \u003cbr\u003e\u003c\/strong\u003eAmazing bass response can transform your listening experience, but if you want the absolute best, overall sound quality and clarity matters too. That's why we engineered the Ghost Underseat Subwoofer Upgrade System to perfectly and seamless match our legendary \u003ca href=\"https:\/\/www.bavsound.com\/pages\/landing-page-bmw-speakers\" title=\"Landing Page - BMW Speakers\"\u003eStage One Speaker Upgrade Kit\u003c\/a\u003e and \u003ca href=\"https:\/\/www.bavsound.com\/pages\/landing-page-bmw-revenant-amplifier\" title=\"Landing Page - BMW Revenant Amplifier\"\u003eRevenant Amplifier Upgrade.\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518392680673,"sku":"BSD.GUSW.4O.V2.MINI-KIT","price":649.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/Z_Sample-3_6bc83d78-430d-4021-8cc4-baa8c59ea2ee.jpg?v=1764109839"},{"product_id":"stage-one-bmw-speaker-upgrade-for-f23-convertible-with-harman-kardon","title":"Stage One BMW Speaker Upgrade for F23 Convertible with Harman Kardon","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"display: none;\"\u003e\n\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/aU6fVv6ib6Y\" height=\"315\" width=\"560\" allowfullscreen=\"\" frameborder=\"0\"\u003e\u003c\/iframe\u003e \u003ciframe src=\"https:\/\/www.youtube.com\/embed\/z3Ds-ghRwz0\" height=\"315\" width=\"560\" allowfullscreen=\"\" frameborder=\"0\"\u003e\u003c\/iframe\u003e \u003ciframe src=\"https:\/\/www.youtube.com\/embed\/uxOjJmsDztI\" height=\"315\" width=\"560\" allowfullscreen=\"\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\n\u003c\/div\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518392713441,"sku":"BSD.S1.F23.HK-Kit","price":899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.F23.HK-Kit-1.jpg?v=1764109839"},{"product_id":"bavsound-ghost-underseat-subwoofers-for-bmw-v3-2-ohm-pair-requires-heat-gun-drill","title":"Bavsound Ghost Underseat Subwoofers for BMW, V3, 2 Ohm, Pair [REQUIRES HEAT GUN \u0026 DRILL]","description":"\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e[NOTE: REQUIRES HEAT GUN \u0026amp; DRILL FOR INSTALLATION - SEE VIDEO GUIDE]\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGET DOUBLE THE BASS IN YOUR BMW OR MINI IN ABOUT AN HOUR\u003cbr\u003e\u003c\/strong\u003e\u003cspan\u003eSimply swap your factory underseat woofers with our plug \u0026amp; play upgrade kit and, get incredibly powerful, tight bass. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTIGHTER, PUNCHIER BASS\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003eMore bass without clarity is just noise. Our woofers are not only louder, they're cleaner and clearer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cstrong\u003eDO-IT-YOURSELF INSTALL\u003c\/strong\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003c\/strong\u003eDo-it-yourself installation in about an hour, even for a novice. You don't even have to remove your seats! \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cstrong\u003eMORE SPACE = MORE FUN\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eUnlike other subwoofer solutions, upgrading your factory woofers takes up no extra space.\u003cbr\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHOW DO WE DELIVER BASS THAT'S LOUDER, CLEANER, AND TIGHTER WITHOUT CHANGING THE FACTORY AMP?\u003cbr\u003e\u003c\/strong\u003eIn a word, efficiency. Every watt of power generated by your amplifier yields about 2x the bass output with our woofers vs factory woofers.\u003c\/p\u003e\n\u003cp\u003eIf you're not familiar with the concept of \"efficiency\" in audio, just use this analogy: with your factory woofers, your amplifier is like a 200hp motor in a 4,000lb Camry.\u003c\/p\u003e\n\u003cp\u003eWith ours, it’s like the same 200hp motor in a 2,000lb Lotus Elise - twice the performance with the same power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2X THE BASS\u003cbr\u003e\u003c\/strong\u003eOur woofers are 10 dB+ louder from 20Hz to 60Hz vs factory woofers, resulting in twice the loudness in this critical “sub-bass” range (and over 8x the sonic energy). You won’t just hear the bass; you’ll feel it.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNEARLY FLAT FREQUENCY RESPONSE FOR EXCEPTIONAL LINEARITY\u003c\/strong\u003e in the key sub \/ mid-bass frequency range from 40Hz to 200Hz (+ or - 3 dB). Which means \"clean\" and balanced bass.\u003c\/p\u003e\n\u003cstrong\u003e100 DAY IN-CAR TRIAL, FREE RETURNS \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eInstall, audition, and fully experience your new audio gear -- if you don't love it, we'll cover return shipping and give you a full refund (U.S. Customers only).\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003e100% PLUG \u0026amp; PLAY \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eInstalls and fits just like your factory BMW woofers, right down to the factory style plug. \u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e[NOTE: REQUIRES HEAT GUN \u0026amp; DRILL FOR INSTALLATION - SEE VIDEO GUIDE BELOW]\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eSIMPLE, DO-IT-YOURSELF INSTALLATION \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eTakes less than 90 minutes and only basic tools, even for a total novice. No complex wiring or additional hardware or installation is required. Simply unbolt your front seats, remove the woofer covers, unbolt your factory woofers, and install ours. That's it!\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eUSE YOUR FACTORY AMPLIFIER AND GET EXCEPTIONAL BASS RESPONSE (OR OURS, AND GET EVEN MORE)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eWe utilize your factory amplifier to generate amazing bass response in your BMW. To do so, we've designed our woofers using technologies like oversized neodymium magnets and lightweight poly cone to maximize every watt of power they generate and translate that into raw output. That means amazing bass response without replacing your amplifier. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eSUPER TIGHT, PUNCHY MIDBASS \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eYour factory underseat woofers aren't just subwoofers; they're midbass drivers. That means they play not just the lowest frequencies, but also \"punchy\" midbass frequencies like snare drums and high bass guitar notes. \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003eUnlike our woofers, which are designed to outperform the factory woofers for both subwoofer and midbass frequencies, other underseat subwoofer upgrades on the market are only capable of playing sub frequencies, not midbass, so you miss a huge portion of the frequency range.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eFACTORY MATCHED\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIMPEDANCE\u003cbr\u003e\u003c\/strong\u003eDepending on your audio system, your factory BMW woofers come in 2, 4, or 8 Ohm impedance. Our woofers are matched to the impedance of your factory woofers (we have different versions for each) to maximize performance and ensure the longevity of your factory amplifier.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eUPGRADEABLE DESIGN WITH 160W RMS \/ 320W PEAK POWER HANDLING PER WOOFER \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eEven though our woofers are designed to be extremely efficient to maximize the output of your factory amplifier, they're also built for upgradability. You can power them with an aftermarket amplifier of your choice, up to 160W per channel.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eTHE PERFECT MATCH TO OUR LEGENDARY SPEAKER UPGRADES \u003cbr\u003e\u003c\/strong\u003eAmazing bass response can transform your listening experience, but if you want the absolute best, overall sound quality and clarity matters too. That's why we engineered the Ghost Underseat Subwoofer Upgrade System to perfectly and seamless match our legendary \u003ca href=\"https:\/\/www.bavsound.com\/pages\/landing-page-bmw-speakers\" title=\"Landing Page - BMW Speakers\"\u003eStage One Speaker Upgrade Kit\u003c\/a\u003e.\u003c\/div\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518392778977,"sku":"BSD.GUSW.2O.SELFTAPSCREWS-KIT","price":649.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/DSC_8325-2_07c14582-840d-4644-96c6-34cd96c66d4c.jpg?v=1764109839"},{"product_id":"bavsound-ghost-underseat-subwoofers-for-bmw-v2-4-ohm-pair-requires-heat-gun-drill","title":"Bavsound Ghost Underseat Subwoofers for BMW, V2, 4 Ohm, Pair [REQUIRES HEAT GUN \u0026 DRILL]","description":"\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e[NOTE: REQUIRES HEAT GUN \u0026amp; DRILL FOR INSTALLATION - SEE VIDEO GUIDE]\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGET DOUBLE THE BASS IN YOUR BMW OR MINI IN ABOUT AN HOUR\u003cbr\u003e\u003c\/strong\u003e\u003cspan\u003eSimply swap your factory underseat woofers with our plug \u0026amp; play upgrade kit and, get incredibly powerful, tight bass. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTIGHTER, PUNCHIER BASS\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003eMore bass without clarity is just noise. Our woofers are not only louder, they're cleaner and clearer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cstrong\u003eDO-IT-YOURSELF INSTALL\u003c\/strong\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003c\/strong\u003eDo-it-yourself installation in about an hour, even for a novice. You don't even have to remove your seats! \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cstrong\u003eMORE SPACE = MORE FUN\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eUnlike other subwoofer solutions, upgrading your factory woofers takes up no extra space.\u003cbr\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHOW DO WE DELIVER BASS THAT'S LOUDER, CLEANER, AND TIGHTER WITHOUT CHANGING THE FACTORY AMP?\u003cbr\u003e\u003c\/strong\u003eIn a word, efficiency. Every watt of power generated by your amplifier yields about 2x the bass output with our woofers vs factory woofers.\u003c\/p\u003e\n\u003cp\u003eIf you're not familiar with the concept of \"efficiency\" in audio, just use this analogy: with your factory woofers, your amplifier is like a 200hp motor in a 4,000lb Camry.\u003c\/p\u003e\n\u003cp\u003eWith ours, it’s like the same 200hp motor in a 2,000lb Lotus Elise - twice the performance with the same power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2X THE BASS\u003cbr\u003e\u003c\/strong\u003eOur woofers are 10 dB+ louder from 20Hz to 60Hz vs factory woofers, resulting in twice the loudness in this critical “sub-bass” range (and over 8x the sonic energy). You won’t just hear the bass; you’ll feel it.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNEARLY FLAT FREQUENCY RESPONSE FOR EXCEPTIONAL LINEARITY\u003c\/strong\u003e in the key sub \/ mid-bass frequency range from 40Hz to 200Hz (+ or - 3 dB). Which means \"clean\" and balanced bass.\u003c\/p\u003e\n\u003cstrong\u003e100 DAY IN-CAR TRIAL, FREE RETURNS \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eInstall, audition, and fully experience your new audio gear -- if you don't love it, we'll cover return shipping and give you a full refund (U.S. Customers only).\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003e100% PLUG \u0026amp; PLAY \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eInstalls and fits just like your factory BMW woofers, right down to the factory style plug. \u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e[NOTE: REQUIRES HEAT GUN \u0026amp; DRILL FOR INSTALLATION - SEE VIDEO GUIDE BELOW]\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eSIMPLE, DO-IT-YOURSELF INSTALLATION \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eTakes less than 90 minutes and only basic tools, even for a total novice. No complex wiring or additional hardware or installation is required. Simply unbolt your front seats, remove the woofer covers, unbolt your factory woofers, and install ours. That's it!\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eUSE YOUR FACTORY AMPLIFIER AND GET EXCEPTIONAL BASS RESPONSE (OR OURS, AND GET EVEN MORE)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eWe utilize your factory amplifier to generate amazing bass response in your BMW. To do so, we've designed our woofers using technologies like oversized neodymium magnets and lightweight poly cone to maximize every watt of power they generate and translate that into raw output. That means amazing bass response without replacing your amplifier. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eSUPER TIGHT, PUNCHY MIDBASS \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eYour factory underseat woofers aren't just subwoofers; they're midbass drivers. That means they play not just the lowest frequencies, but also \"punchy\" midbass frequencies like snare drums and high bass guitar notes. \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003eUnlike our woofers, which are designed to outperform the factory woofers for both subwoofer and midbass frequencies, other underseat subwoofer upgrades on the market are only capable of playing sub frequencies, not midbass, so you miss a huge portion of the frequency range.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eFACTORY MATCHED\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIMPEDANCE\u003cbr\u003e\u003c\/strong\u003eDepending on your audio system, your factory BMW woofers come in 2, 4, or 8 Ohm impedance. Our woofers are matched to the impedance of your factory woofers (we have different versions for each) to maximize performance and ensure the longevity of your factory amplifier.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eUPGRADEABLE DESIGN WITH 160W RMS \/ 320W PEAK POWER HANDLING PER WOOFER \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eEven though our woofers are designed to be extremely efficient to maximize the output of your factory amplifier, they're also built for upgradability. You can power them with an aftermarket amplifier of your choice, up to 160W per channel.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eTHE PERFECT MATCH TO OUR LEGENDARY SPEAKER UPGRADES \u003cbr\u003e\u003c\/strong\u003eAmazing bass response can transform your listening experience, but if you want the absolute best, overall sound quality and clarity matters too. That's why we engineered the Ghost Underseat Subwoofer Upgrade System to perfectly and seamless match our legendary \u003ca href=\"https:\/\/www.bavsound.com\/pages\/landing-page-bmw-speakers\" title=\"Landing Page - BMW Speakers\"\u003eStage One Speaker Upgrade Kit\u003c\/a\u003e.\u003c\/div\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518392746209,"sku":"BSD.GUSW.4O.V2.SELFTAPSCREWS-KIT","price":649.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/DSC_8325-2_7151b124-d51c-47c8-bb30-6f5d6b6081fd.jpg?v=1764109839"},{"product_id":"stage-one-bmw-speaker-upgrade-for-f22-f87-coupe-with-harman-kardon","title":"Stage One BMW Speaker Upgrade for F22\/F87 Coupe with Harman Kardon","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518392942817,"sku":"BSD.S1.F22.HK-Kit","price":899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.F22.HK-Kit-1.jpg?v=1764109839"},{"product_id":"stage-one-bmw-speaker-upgrade-for-f30-f80-with-harman-kardon","title":"Stage One BMW Speaker Upgrade for F30\/F80 with Harman Kardon","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518392811745,"sku":"BSD.S1.F30F80.THF-Kit","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.F30F80.THF-Kit-1.jpg?v=1764109839"},{"product_id":"stage-one-bmw-speaker-upgrade-for-f30-f31-f34-f80-with-standard-hi-fi","title":"Stage One BMW Speaker Upgrade for F30\/F31\/F34\/F80 with Standard Hi-Fi","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518392844513,"sku":"BSD.S1.F30F31F34F80.Hi-Fi-Kit","price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/Stage-One-BMW-F30F31F34F80-Hi-Fi-T10I3-xl.jpg?v=1764109839"},{"product_id":"bavsound-coaxial-stage-one-bmw-speaker-upgrade-for-f22-f87-coupe-with-standard-hi-fi","title":"Bavsound Coaxial Stage One BMW Speaker Upgrade for F22\/F87 Coupe with Standard Hi-Fi","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518392877281,"sku":"BSD.S1.F22.BA-Kit","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.F22.BA-Kit-1.jpg?v=1764109839"},{"product_id":"stage-one-bmw-speaker-upgrade-for-f25-f26-x3-x4-with-standard-hi-fi","title":"Stage One BMW Speaker Upgrade for F25\/F26 X3\/X4 with Standard Hi-Fi","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518392910049,"sku":"BSD.S1.F25F26.HIFI-Kit","price":749.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.F25F26.HIFI-Kit-1.jpg?v=1764109839"},{"product_id":"bavsound-ghost-bmw-underseat-subwoofers-v3-4-ohm-pair","title":"Bavsound Ghost BMW Underseat Subwoofers V3, 4 Ohm, Pair","description":"\u003cp\u003e\u003cstrong\u003eGET DOUBLE THE BASS IN YOUR BMW OR MINI IN ABOUT AN HOUR\u003cbr\u003e\u003c\/strong\u003e\u003cspan\u003eSimply swap your factory underseat woofers with our plug \u0026amp; play upgrade kit and, get incredibly powerful, tight bass. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTIGHTER, PUNCHIER BASS\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003eMore bass without clarity is just noise. Our woofers are not only louder, they're cleaner and clearer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cstrong\u003eDO-IT-YOURSELF, PLUG \u0026amp; PLAY, EASY INSTALL\u003c\/strong\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003c\/strong\u003eDo-it-yourself installation in about an hour, even for a novice. You don't even have to remove your seats!\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cstrong\u003eMORE SPACE = MORE FUN\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eUnlike other subwoofer solutions, upgrading your factory woofers takes up no extra space.\u003cbr\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHOW DO WE DELIVER BASS THAT'S LOUDER, CLEANER, AND TIGHTER WITHOUT CHANGING THE FACTORY AMP?\u003cbr\u003e\u003c\/strong\u003eIn a word, efficiency. Every watt of power generated by your amplifier yields about 2x the bass output with our woofers vs factory woofers.\u003c\/p\u003e\n\u003cp\u003eIf you're not familiar with the concept of \"efficiency\" in audio, just use this analogy: with your factory woofers, your amplifier is like a 200hp motor in a 4,000lb Camry.\u003c\/p\u003e\n\u003cp\u003eWith ours, it’s like the same 200hp motor in a 2,000lb Lotus Elise - twice the performance with the same power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2X THE BASS\u003cbr\u003e\u003c\/strong\u003eOur woofers are 10 dB+ louder from 20Hz to 60Hz vs factory woofers, resulting in twice the loudness in this critical “sub-bass” range (and over 8x the sonic energy). You won’t just hear the bass; you’ll feel it.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNEARLY FLAT FREQUENCY RESPONSE FOR EXCEPTIONAL LINEARITY\u003c\/strong\u003e in the key sub \/ mid-bass frequency range from 40Hz to 200Hz (+ or - 3 dB). Which means \"clean\" and balanced bass.\u003c\/p\u003e\n\u003cstrong\u003e100 DAY IN-CAR TRIAL, FREE RETURNS \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eInstall, audition, and fully experience your new audio gear -- if you don't love it, we'll cover return shipping and give you a full refund (U.S. Customers only).\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003e100% PLUG \u0026amp; PLAY \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eInstalls and fits just like your factory BMW woofers, right down to the bolts and factory style plug. (NOTE: 2018+ X3 models and vehicles with “Base” audio systems require slight modification to factory enclosure and may necessitate additional tools)\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eSIMPLE, DO-IT-YOURSELF INSTALLATION \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eTakes less than 90 minutes and only basic tools, even for a total novice. No complex wiring or additional hardware or installation is required. Simply unbolt your front seats, remove the woofer covers, unbolt your factory woofers, and install ours. That's it!\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eUSE YOUR FACTORY AMPLIFIER AND GET EXCEPTIONAL BASS RESPONSE (OR OURS, AND GET EVEN MORE)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eWe utilize your factory amplifier to generate amazing bass response in your BMW. To do so, we've designed our woofers using technologies like oversized neodymium magnets and lightweight poly cone to maximize every watt of power they generate and translate that into raw output. That means amazing bass response without replacing your amplifier. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eSUPER TIGHT, PUNCHY MIDBASS \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eYour factory underseat woofers aren't just subwoofers; they're midbass drivers. That means they play not just the lowest frequencies, but also \"punchy\" midbass frequencies like snare drums and high bass guitar notes. \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003eUnlike our woofers, which are designed to outperform the factory woofers for both subwoofer and midbass frequencies, other underseat subwoofer upgrades on the market are only capable of playing sub frequencies, not midbass, so you miss a huge portion of the frequency range.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eFACTORY MATCHED\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIMPEDANCE\u003cbr\u003e\u003c\/strong\u003eDepending on your audio system, your factory BMW woofers come in 2, 4, or 8 Ohm impedance. Our woofers are matched to the impedance of your factory woofers (we have different versions for each) to maximize performance and ensure the longevity of your factory amplifier.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eUPGRADEABLE DESIGN WITH 160W RMS \/ 320W PEAK POWER HANDLING PER WOOFER \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eEven though our woofers are designed to be extremely efficient to maximize the output of your factory amplifier, they're also built for upgradability. You can power them with an aftermarket amplifier of your choice, up to 160W per channel, but we recommend \u003ca href=\"https:\/\/www.bavsound.com\/pages\/landing-page-bmw-revenant-amplifier\" title=\"Landing Page - BMW Revenant Amplifier\"\u003ethe ultimate amplifier upgrade for your BMW: The Revenant, by Bavsound.\u003c\/a\u003eTranslation? If you'd like to melt your face off with absurd quantities of bass, you can -- \u003ca href=\"https:\/\/www.bavsound.com\/pages\/landing-page-bmw-revenant-amplifier\" title=\"Landing Page - BMW Revenant Amplifier\"\u003ejust add an amp.\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eTHE PERFECT MATCH TO OUR LEGENDARY SPEAKER AND AMPLIFIER UPGRADES \u003cbr\u003e\u003c\/strong\u003eAmazing bass response can transform your listening experience, but if you want the absolute best, overall sound quality and clarity matters too. That's why we engineered the Ghost Underseat Subwoofer Upgrade System to perfectly and seamless match our legendary \u003ca href=\"https:\/\/www.bavsound.com\/pages\/landing-page-bmw-speakers\" title=\"Landing Page - BMW Speakers\"\u003eStage One Speaker Upgrade Kit\u003c\/a\u003e and \u003ca href=\"https:\/\/www.bavsound.com\/pages\/landing-page-bmw-revenant-amplifier\" title=\"Landing Page - BMW Revenant Amplifier\"\u003eRevenant Amplifier Upgrade.\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394056929,"sku":"BSD.GUSW.4O-KIT","price":649.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/Ghost_Sub_Dual_V3.jpg?v=1764109843"},{"product_id":"bavsound-ghost-bmw-underseat-subwoofers-v3-2-ohm-pair","title":"Bavsound Ghost BMW Underseat Subwoofers V3, 2 Ohm, Pair","description":"\u003cp\u003e\u003cstrong\u003eGET DOUBLE THE BASS IN YOUR BMW OR MINI IN ABOUT AN HOUR\u003cbr\u003e\u003c\/strong\u003e\u003cspan\u003eSimply swap your factory underseat woofers with our plug \u0026amp; play upgrade kit and, get incredibly powerful, tight bass. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTIGHTER, PUNCHIER BASS\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003eMore bass without clarity is just noise. Our woofers are not only louder, they're cleaner and clearer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eDO-IT-YOURSELF, PLUG \u0026amp; PLAY, EASY INSTALL\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003c\/strong\u003eDo-it-yourself installation in about an hour, even for a novice. You don't even have to remove your seats!\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cstrong\u003eMORE SPACE = MORE FUN\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eUnlike other subwoofer solutions, upgrading your factory woofers takes up no extra space.\u003cbr\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHOW DO WE DELIVER BASS THAT'S LOUDER, CLEANER, AND TIGHTER WITHOUT CHANGING THE FACTORY AMP?\u003cbr\u003e\u003c\/strong\u003eIn a word, efficiency. Every watt of power generated by your amplifier yields about 2x the bass output with our woofers vs factory woofers.\u003c\/p\u003e\n\u003cp\u003eIf you're not familiar with the concept of \"efficiency\" in audio, just use this analogy: with your factory woofers, your amplifier is like a 200hp motor in a 4,000lb Camry.\u003c\/p\u003e\n\u003cp\u003eWith ours, it’s like the same 200hp motor in a 2,000lb Lotus Elise - twice the performance with the same power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2X THE BASS\u003cbr\u003e\u003c\/strong\u003eOur woofers are 10 dB+ louder from 20Hz to 60Hz vs factory woofers, resulting in twice the loudness in this critical “sub-bass” range (and over 8x the sonic energy). You won’t just hear the bass; you’ll feel it.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNEARLY FLAT FREQUENCY RESPONSE FOR EXCEPTIONAL LINEARITY\u003c\/strong\u003e in the key sub \/ mid-bass frequency range from 40Hz to 200Hz (+ or - 3 dB). Which means \"clean\" and balanced bass.\u003c\/p\u003e\n\u003cstrong\u003e100 DAY IN-CAR TRIAL, FREE RETURNS \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eInstall, audition, and fully experience your new audio gear -- if you don't love it, we'll cover return shipping and give you a full refund (U.S. Customers only).\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003e100% PLUG \u0026amp; PLAY \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eInstalls and fits just like your factory BMW woofers, right down to the bolts and factory style plug. (NOTE: 2018+ X3 models and vehicles with “Base” audio systems require slight modification to factory enclosure and may necessitate additional tools)\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eSIMPLE, DO-IT-YOURSELF INSTALLATION \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eTakes less than 90 minutes and only basic tools, even for a total novice. No complex wiring or additional hardware or installation is required. Simply unbolt your front seats, remove the woofer covers, unbolt your factory woofers, and install ours. That's it!\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eUSE YOUR FACTORY AMPLIFIER AND GET EXCEPTIONAL BASS RESPONSE (OR OURS, AND GET EVEN MORE)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eWe utilize your factory amplifier to generate amazing bass response in your BMW. To do so, we've designed our woofers using technologies like oversized neodymium magnets and lightweight poly cone to maximize every watt of power they generate and translate that into raw output. That means amazing bass response without replacing your amplifier. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eSUPER TIGHT, PUNCHY MIDBASS \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eYour factory underseat woofers aren't just subwoofers; they're midbass drivers. That means they play not just the lowest frequencies, but also \"punchy\" midbass frequencies like snare drums and high bass guitar notes.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003eUnlike our woofers, which are designed to outperform the factory woofers for both subwoofer and midbass frequencies, other underseat subwoofer upgrades on the market are only capable of playing sub frequencies, not midbass, so you miss a huge portion of the frequency range.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eFACTORY MATCHED\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIMPEDANCE\u003cbr\u003e\u003c\/strong\u003eDepending on your audio system, your factory BMW woofers come in 2, 4, or 8 Ohm impedance. Our woofers are matched to the impedance of your factory woofers (we have different versions for each) to maximize performance and ensure the longevity of your factory amplifier.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eUPGRADEABLE DESIGN WITH 160W RMS \/ 320W PEAK POWER HANDLING PER WOOFER \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eEven though our woofers are designed to be extremely efficient to maximize the output of your factory amplifier, they're also built for upgradability. You can power them with an aftermarket amplifier of your choice, up to 160W per channel, but we recommend \u003ca href=\"https:\/\/www.bavsound.com\/pages\/landing-page-bmw-revenant-amplifier\" title=\"Landing Page - BMW Revenant Amplifier\"\u003ethe ultimate amplifier upgrade for your BMW: The Revenant, by Bavsound.\u003c\/a\u003eTranslation? If you'd like to melt your face off with absurd quantities of bass, you can -- \u003ca href=\"https:\/\/www.bavsound.com\/pages\/landing-page-bmw-revenant-amplifier\" title=\"Landing Page - BMW Revenant Amplifier\"\u003ejust add an amp.\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eTHE PERFECT MATCH TO OUR LEGENDARY SPEAKER AND AMPLIFIER UPGRADES \u003cbr\u003e\u003c\/strong\u003eAmazing bass response can transform your listening experience, but if you want the absolute best, overall sound quality and clarity matters too. That's why we engineered the Ghost Underseat Subwoofer Upgrade System to perfectly and seamless match our legendary \u003ca href=\"https:\/\/www.bavsound.com\/pages\/landing-page-bmw-speakers\" title=\"Landing Page - BMW Speakers\"\u003eStage One Speaker Upgrade Kit\u003c\/a\u003e and \u003ca href=\"https:\/\/www.bavsound.com\/pages\/landing-page-bmw-revenant-amplifier\" title=\"Landing Page - BMW Revenant Amplifier\"\u003eRevenant Amplifier Upgrade.\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394089697,"sku":"BSD.GUSW.2O-KIT","price":649.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/custom_resized_1317c03c-b428-466b-870d-dccbeff46dfa.jpg?v=1764109843"},{"product_id":"bavsound-stage-one-speaker-upgrade-for-e36-coupe-sedan-with-standard-hi-fi","title":"Bavsound Stage One Speaker Upgrade for E36 Coupe\/Sedan with Standard Hi-Fi","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. \u003cmeta charset=\"UTF-8\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e(NOTE: 1996-1999 BMW 3 SERIES \/ M3 \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ehas additional steps, please review installation guides before purchase\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394122465,"sku":"BSD.S1.E36.CS.HF-Kit","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E36.CS.HF-Kit-1.jpg?v=1764109842"},{"product_id":"bavsound-stage-one-speaker-upgrade-for-1996-1999-e36-coupe-sedan-with-harman-kardon","title":"Bavsound Stage One Speaker Upgrade for 1996-1999 E36 Coupe\/Sedan with Harman Kardon","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. \u003cmeta charset=\"UTF-8\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e(NOTE: 1996-1999 BMW 3 SERIES \/ M3 \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ehas additional steps, please review installation guides before purchase\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394155233,"sku":"BSD.S1.E36.CS.THF-Kit","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E36.CS.THF-Kit-1.jpg?v=1764109843"},{"product_id":"bavsound-ghost-bmw-underseat-subwoofer-v3-8-ohm-pair","title":"Bavsound Ghost BMW Underseat Subwoofer V3, 8 Ohm, Pair","description":"\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET DOUBLE THE BASS IN YOUR BMW OR MINI IN ABOUT AN HOUR.\u003cbr\u003e\u003c\/strong\u003e\u003cspan\u003eSimply swap your factory underseat woofers with our plug \u0026amp; play upgrade kit and, get incredibly powerful, tight bass. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTIGHTER, PUNCHIER BASS\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003eMore bass without clarity is just noise. Our woofers are not only louder, they're cleaner and clearer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cstrong\u003eDO-IT-YOURSELF, PLUG \u0026amp; PLAY, EASY INSTALL\u003c\/strong\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003c\/strong\u003eDo-it-yourself installation in about an hour, even for a novice. You don't even have to remove your seats!\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cstrong\u003eMORE SPACE = MORE FUN\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eUnlike other subwoofer solutions, upgrading your factory woofers takes up no extra space.\u003cbr\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHOW DO WE DELIVER BASS THAT'S LOUDER, CLEANER, AND TIGHTER WITHOUT CHANGING THE FACTORY AMP?\u003cbr\u003e\u003c\/strong\u003eIn a word, efficiency. Every watt of power generated by your amplifier yields about 2x the bass output with our woofers vs factory woofers.\u003c\/p\u003e\n\u003cp\u003eIf you're not familiar with the concept of \"efficiency\" in audio, just use this analogy: with your factory woofers, your amplifier is like a 200hp motor in a 4,000lb Camry.\u003c\/p\u003e\n\u003cp\u003eWith ours, it’s like the same 200hp motor in a 2,000lb Lotus Elise - twice the performance with the same power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2X THE BASS\u003cbr\u003e\u003c\/strong\u003eOur woofers are 10 dB+ louder from 20Hz to 60Hz vs factory woofers, resulting in twice the loudness in this critical “sub-bass” range (and over 8x the sonic energy). You won’t just hear the bass; you’ll feel it.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNEARLY FLAT FREQUENCY RESPONSE FOR EXCEPTIONAL LINEARITY\u003c\/strong\u003e in the key sub \/ mid-bass frequency range from 40Hz to 200Hz (+ or - 3 dB). Which means \"clean\" and balanced bass.\u003c\/p\u003e\n\u003cstrong\u003e100 DAY IN-CAR TRIAL, FREE RETURNS \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eInstall, audition, and fully experience your new audio gear -- if you don't love it, we'll cover return shipping and give you a full refund (U.S. Customers only).\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003e100% PLUG \u0026amp; PLAY \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eInstalls and fits just like your factory BMW woofers, right down to the bolts and factory style plug. (NOTE: 2018+ X3 models and vehicles with “Base” audio systems require slight modification to factory enclosure and may necessitate additional tools)\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eSIMPLE, DO-IT-YOURSELF INSTALLATION \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eTakes less than 90 minutes and only basic tools, even for a total novice. No complex wiring or additional hardware or installation is required. Simply unbolt your front seats, remove the woofer covers, unbolt your factory woofers, and install ours. That's it!\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eUSE YOUR FACTORY AMPLIFIER AND GET EXCEPTIONAL BASS RESPONSE (OR OURS, AND GET EVEN MORE)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eWe utilize your factory amplifier to generate amazing bass response in your BMW. To do so, we've designed our woofers using technologies like oversized neodymium magnets and lightweight poly cone to maximize every watt of power they generate and translate that into raw output. That means amazing bass response without replacing your amplifier. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eSUPER TIGHT, PUNCHY MIDBASS \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eYour factory underseat woofers aren't just subwoofers; they're midbass drivers. That means they play not just the lowest frequencies, but also \"punchy\" midbass frequencies like snare drums and high bass guitar notes. \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003eUnlike our woofers, which are designed to outperform the factory woofers for both subwoofer and midbass frequencies, other underseat subwoofer upgrades on the market are only capable of playing sub frequencies, not midbass, so you miss a huge portion of the frequency range.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eFACTORY MATCHED\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIMPEDANCE\u003cbr\u003e\u003c\/strong\u003eDepending on your audio system, your factory BMW woofers come in 2, 4, or 8 Ohm impedance. Our woofers are matched to the impedance of your factory woofers (we have different versions for each) to maximize performance and ensure the longevity of your factory amplifier.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eUPGRADEABLE DESIGN WITH 160W RMS \/ 320W PEAK POWER HANDLING PER WOOFER \u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eEven though our woofers are designed to be extremely efficient to maximize the output of your factory amplifier, they're also built for upgradability. You can power them with an aftermarket amplifier of your choice, up to 160W per channel, but we recommend \u003ca href=\"https:\/\/www.bavsound.com\/pages\/landing-page-bmw-revenant-amplifier\" title=\"Landing Page - BMW Revenant Amplifier\"\u003ethe ultimate amplifier upgrade for your BMW: The Revenant, by Bavsound.\u003c\/a\u003eTranslation? If you'd like to melt your face off with absurd quantities of bass, you can -- \u003ca href=\"https:\/\/www.bavsound.com\/pages\/landing-page-bmw-revenant-amplifier\" title=\"Landing Page - BMW Revenant Amplifier\"\u003ejust add an amp.\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eTHE PERFECT MATCH TO OUR LEGENDARY SPEAKER AND AMPLIFIER UPGRADES \u003cbr\u003e\u003c\/strong\u003eAmazing bass response can transform your listening experience, but if you want the absolute best, overall sound quality and clarity matters too. That's why we engineered the Ghost Underseat Subwoofer Upgrade System to perfectly and seamless match our legendary \u003ca href=\"https:\/\/www.bavsound.com\/pages\/landing-page-bmw-speakers\" title=\"Landing Page - BMW Speakers\"\u003eStage One Speaker Upgrade Kit\u003c\/a\u003e and \u003ca href=\"https:\/\/www.bavsound.com\/pages\/landing-page-bmw-revenant-amplifier\" title=\"Landing Page - BMW Revenant Amplifier\"\u003eRevenant Amplifier Upgrade.\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394188001,"sku":"BSD.GUSW.8O-KIT","price":649.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/custom_resized_f498cc7b-8c69-4611-9aac-07b3691a26d8.jpg?v=1764109843"},{"product_id":"bavsound-front-soundstage-upgrade-for-1996-1999-e36-convertible-with-standard-hi-fi","title":"Bavsound Front Soundstage Upgrade for 1996-1999 E36 Convertible with Standard Hi-Fi","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eNOTE: DOES NOT FIT Z3, Only fits 1996-1999 E36 3 Series\/M3 Convertible\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. \u003cmeta charset=\"UTF-8\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e(NOTE: 1996-1999 BMW 3 SERIES \/ M3 \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ehas additional steps, please review installation guides before purchase\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394220769,"sku":"BSD.S1.E36.CV.HF-Kit","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E36.CV.HF-Kit-1.jpg?v=1764109843"},{"product_id":"stage-one-bmw-speaker-upgrade-for-e63-coupe-with-premium-top-hi-fi","title":"Stage One BMW Speaker Upgrade for E63 Coupe with Premium Top Hi-Fi","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394286305,"sku":"BSD.S1.E63.THF-Kit","price":799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E63.THF-Kit-1.jpg?v=1764109843"},{"product_id":"bavsound-stage-one-bmw-speaker-upgrade-for-1995-2001-e38-sedan","title":"Bavsound Stage One BMW Speaker Upgrade for 1995-2001 E38 Sedan","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"display: none;\"\u003e\n\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/A6NMlNCrZ6E\" height=\"315\" width=\"560\" allowfullscreen=\"\" frameborder=\"0\"\u003e\u003c\/iframe\u003e \u003ciframe src=\"https:\/\/www.youtube.com\/embed\/Rijv9mgtvBA\" height=\"315\" width=\"560\" allowfullscreen=\"\" frameborder=\"0\"\u003e\u003c\/iframe\u003e \u003ciframe src=\"https:\/\/www.youtube.com\/embed\/ZIAB5SX1EP4\" height=\"315\" width=\"560\" allowfullscreen=\"\" frameborder=\"0\"\u003e\u003c\/iframe\u003e \u003ciframe src=\"https:\/\/www.youtube.com\/embed\/q-HdV62IKgo\" height=\"315\" width=\"560\" allowfullscreen=\"\" frameborder=\"0\"\u003e\u003c\/iframe\u003e \u003ciframe src=\"https:\/\/www.youtube.com\/embed\/eXQoBOL0l0M\" height=\"315\" width=\"560\" allowfullscreen=\"\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\n\u003c\/div\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394253537,"sku":"BSD.S1.E38.A-Kit","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/Stage-One-BMW-E38-7er-xl.jpg?v=1764109843"},{"product_id":"bavsound-front-soundstage-upgrade-for-1996-1999-e36-convertible-with-harman-kardon","title":"Bavsound Front Soundstage Upgrade for 1996-1999 E36 Convertible with Harman Kardon","description":"\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eNOTE: DOES NOT FIT Z3, Only fits 1996-1999 E36 3 Series\/M3 Convertible\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 has additional steps, please review installation guides before purchase)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394319073,"sku":"BSD.S1.E36.CV.THF-Kit","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E36.CV.THF-Kit-1.jpg?v=1764109843"},{"product_id":"stage-one-bmw-speaker-upgrade-for-e64-convertible-with-premium-top-hi-fi","title":"Stage One BMW Speaker Upgrade for E64 Convertible with Premium Top Hi-Fi","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394384609,"sku":"BSD.S1.E64.THF-Kit","price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E64.THF-Kit-1.jpg?v=1764109843"},{"product_id":"bavsound-stage-one-speaker-upgrade-for-e46-convertible-with-standard-hi-fi","title":"Bavsound Stage One Speaker Upgrade for E46 Convertible with Standard Hi-Fi","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394351841,"sku":"BSD.S1.E46.CV.HF-Kit","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E46.CV.HF-Kit-1.jpg?v=1764109843"},{"product_id":"bavsound-stage-one-speaker-upgrade-for-e46-coupe-with-harman-kardon","title":"Bavsound Stage One Speaker Upgrade for E46 Coupe with Harman Kardon","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394417377,"sku":"BSD.S1.E46.C.THF-Kit","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/Stage-One-BMW-E46-Coupe-Harman-Kardon-5M37-xl.jpg?v=1764109845"},{"product_id":"stage-one-bmw-speaker-upgrade-for-e65-e66-sedan-standard-hi-fi-no-install-video","title":"Stage One BMW Speaker Upgrade for E65\/E66 Sedan Standard Hi-Fi - (No Install Video)","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394450145,"sku":"BSD.S1.E65E66.HF-Kit","price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E65E66.HF-Kit-1.jpg?v=1764109843"},{"product_id":"stage-one-bmw-speaker-upgrade-for-e70-x5-with-standard-hi-fi","title":"Stage One BMW Speaker Upgrade for E70 X5 with Standard Hi-Fi","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394515681,"sku":"BSD.S1.E70.HF.LT-Kit","price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/Stage-One-BMW-E70-X5-Hi-Fi-2013-9I5U-xl.jpg?v=1764109843"},{"product_id":"stage-one-bmw-speaker-upgrade-for-e81-e87","title":"Stage One BMW Speaker Upgrade for E81\/E87","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394482913,"sku":"BSD.S1.E81.87.A-Kit","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E81.87.A-Kit-1.jpg?v=1764109843"},{"product_id":"stage-one-bmw-speaker-upgrade-for-e70-e71-x5-x6-with-premium-top-hi-fi","title":"Stage One BMW Speaker Upgrade for E70\/E71 X5\/X6 with Premium Top Hi-Fi","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394679521,"sku":"BSD.S1.E70E71.THF-Kit","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E70E71.THF-Kit-1.jpg?v=1764109843"},{"product_id":"bavsound-stage-one-speaker-upgrade-for-e46-wagon-with-harman-kardon","title":"Bavsound Stage One Speaker Upgrade for E46 Wagon with Harman Kardon","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394712289,"sku":"BSD.S1.E46.W.THF-Kit","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E46.W.THF-Kit-1.jpg?v=1764109843"},{"product_id":"bavsound-stage-one-speaker-upgrade-for-e46-sedan-wagon-with-standard-hi-fi","title":"Bavsound Stage One Speaker Upgrade for E46 Sedan\/Wagon with Standard Hi-Fi","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394745057,"sku":"BSD.S1.E46.SW.HF-Kit","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/Stage-One-BMW-E46-SedanWagon-Standard-Hi-Fi-CSEX-xl.jpg?v=1764109843"},{"product_id":"bavsound-coaxial-stage-one-bmw-speaker-upgrade-for-e81-e82-e87-with-base-audio","title":"Bavsound Coaxial Stage One BMW Speaker Upgrade for E81\/E82\/E87 with Base Audio","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394777825,"sku":"BSD.S1.E81E82E87.BA-Kit","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E81E82E87.BA-Kit-1.jpg?v=1764109843"},{"product_id":"stage-one-bmw-speaker-upgrade-for-e82-with-standard-hi-fi-harman-kardon","title":"Stage One BMW Speaker Upgrade for E82 with Standard Hi-Fi\/Harman Kardon","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394843361,"sku":"BSD.S1.E82.A-Kit","price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E82.A-Kit-1.jpg?v=1764109843"},{"product_id":"bavsound-coaxial-stage-one-bmw-speaker-upgrade-for-e84-x1-with-base-audio","title":"Bavsound Coaxial Stage One BMW Speaker Upgrade for E84 X1 with Base Audio","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394810593,"sku":"BSD.S1.E84.BA-Kit","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E84.BA-Kit-1.jpg?v=1764109843"},{"product_id":"stage-one-bmw-speaker-upgrade-for-e83-x3-with-premium-top-hi-fi","title":"Stage One BMW Speaker Upgrade for E83 X3 with Premium Top Hi-Fi","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"display:none;\"\u003e\n\u003ciframe width=\"420\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/5i5Md7KYbSs\"\u003e\n\u003c\/iframe\u003e\n\u003ciframe width=\"420\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/WfSpXF1QF_Q\"\u003e\n\u003c\/iframe\u003e\n\u003c\/div\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394876129,"sku":"BSD.S1.E83.DSP-Kit","price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E83.DSP-Kit-1.jpg?v=1764109843"},{"product_id":"bavsound-stage-one-speaker-upgrade-for-e46-coupe-with-standard-hi-fi","title":"Bavsound Stage One Speaker Upgrade for E46 Coupe with Standard Hi-Fi","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394908897,"sku":"BSD.S1.E46.C.HF-Kit","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E46.C.HF-Kit-1.jpg?v=1764109843"},{"product_id":"stage-one-bmw-speaker-upgrade-for-e63-e64-coupe-convertible-with-standard-hi-fi","title":"Stage One BMW Speaker Upgrade for E63\/E64 Coupe\/Convertible with Standard Hi-Fi","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518395007201,"sku":"BSD.S1.E63E64.HF-Kit","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E63E64.HF-Kit-1.jpg?v=1764109843"},{"product_id":"bavsound-coaxial-stage-one-bmw-speaker-upgrade-for-e83-x3-with-base-audio","title":"Bavsound Coaxial Stage One BMW Speaker Upgrade for E83 X3 with Base Audio","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518395039969,"sku":"BSD.S1.E83.BA-Kit","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E83.BA.Coaxial-Stage-One-BMW-E83-X3-Base-Audio-9UU9-xl.jpg?v=1764109843"},{"product_id":"stage-one-bmw-speaker-upgrade-for-e85-e86-z4-roadster-coupe-no-install-video","title":"Stage One BMW Speaker Upgrade for E85\/E86 Z4 Roadster\/Coupe (No Install Video)","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394941665,"sku":"BSD.S1.E85\/E86-Kit","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E85_E86-Kit-1.jpg?v=1764109843"},{"product_id":"bavsound-coaxial-stage-one-bmw-speaker-upgrade-for-e60-e61-sedan-wagon-with-base-audio","title":"Bavsound Coaxial Stage One BMW Speaker Upgrade for E60\/E61 Sedan\/Wagon with Base Audio","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518394974433,"sku":"BSD.S1.E60E61.BA-V2-Kit","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E60E61.BA-V2-Kit-1.jpg?v=1764109843"},{"product_id":"stage-one-bmw-speaker-upgrade-for-e60-e61-sedan-wagon-with-premium-top-hi-fi","title":"Stage One BMW Speaker Upgrade for E60\/E61 Sedan\/Wagon with Premium Top Hi-Fi","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518395072737,"sku":"BSD.S1.E60E61.THF-Kit","price":799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E60E61.THF-Kit-1.jpg?v=1764109843"},{"product_id":"bavsound-stage-one-bmw-speaker-upgrade-for-1996-2003-e39-sedan-wagon","title":"Bavsound Stage One BMW Speaker Upgrade for 1996-2003 E39 Sedan\/Wagon","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"product-install-guide__iframe-wrapper\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"display: none;\"\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/QbHsWWWI7Xw\" frameborder=\"0\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e \u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/En6shDyHwc4\" frameborder=\"0\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e \u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/Dk_zKQNhb-4\" frameborder=\"0\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e \u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/KwBFtbbfHO4\" frameborder=\"0\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\n\u003c\/div\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518395138273,"sku":"BSD.S1.E39.A-Kit","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/Stage-One-BMW-E39-Sedan-Wagon-K7X1-xl.jpg?v=1764109843"},{"product_id":"stage-one-bmw-speaker-upgrade-for-e91-wagon-with-premium-top-hi-fi","title":"Stage One BMW Speaker Upgrade for E91 Wagon with Premium Top Hi-Fi","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518395105505,"sku":"BSD.S1.E91.THF-Kit","price":799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E91.THF-Kit-1.jpg?v=1764109843"},{"product_id":"stage-one-bmw-speaker-upgrade-for-2011-2013-e92-e93-coupe-convertible-with-standard-hi-fi","title":"Stage One BMW Speaker Upgrade for 2011-2013 E92\/E93 Coupe\/Convertible with Standard Hi-Fi","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518395171041,"sku":"BSD.S1.E92.HF.LT-Kit","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E92.HF.LT-Kit-1.jpg?v=1764109843"},{"product_id":"bavsound-stage-one-speaker-upgrade-for-e46-convertible-with-harman-kardon","title":"Bavsound Stage One Speaker Upgrade for E46 Convertible with Harman Kardon","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe took your factory BMW speakers and re-engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: \u003c\/strong\u003eWe engineered the Stage One speakers to produce higher quality sound: a wider range and more balanced reproduction of the bass and treble you are currently missing. That's because, unlike your factory BMW speakers, we use proven audio technology: woven fiberglass cones, butyl rubber surrounds, and silk composite tweeters. These technologies working together, result in speakers that remain distortion free at higher volumes for accurate, natural, beautiful sound volumes much louder than your factory speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDESIGNED TO FIT AND OPERATE JUST LIKE YOUR FACTORY SPEAKERS, ONLY BETTER: \u003c\/strong\u003eWe engineer our speakers with the same unique size, shape, connectors, impedance, and efficiency as your factory speakers. That means installation is as simple as unbolting your factory speakers and bolting ours in, and it's totally reversible, too. No one will ever know you've upgraded your audio system except you. Unless, of course, they hear it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCLUDES EVERYTHING YOU NEED FOR CRYSTAL CLEAR SOUND, EXCEPT TOOLS:\u003c\/strong\u003e Replaces every speaker in your BMW (except subs), and includes everything you need except basic tools, available separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 DAY IN CAR TRIAL, FREE RETURNS! - \u003c\/strong\u003eInstall, audition, and fully experience your new audio gear. If you don't love it, we'll cover return shipping \u003cem\u003eand \u003c\/em\u003egive you a full refund (U.S. customers only).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% PLUG \u0026amp; PLAY INSTALLATION:\u003c\/strong\u003e Simply unbolt, unplug, and remove your factory speakers and plug ours in. It's that simple. Really. (NOTE: 1996-1999 BMW 3 SERIES \/ M3 excluded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSO SIMPLE, YOU CAN DO IT YOURSELF: \u003c\/strong\u003eEver put together IKEA furniture? Then you can install the Stage One. Includes step-by-step instructions, and is designed to be easy enough that anyone can install it in just a few hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 YEAR WARRANTY: \u003c\/strong\u003eEverything we sell has been engineered for durability and longevity, and we know what we sell will last. And last. And last. That's why our upgrades are backed with our industry leading 4 year limited warranty. So if something breaks, send it back. We'll replace it at no charge. (Warranty not valid with aftermarket amplifiers or custom audio systems)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bavsound","offers":[{"title":"Default Title","offer_id":47518395269345,"sku":"BSD.S1.E46.CV.THF-Kit","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/BSD.S1.E46.CV.THF-Kit-1.jpg?v=1764109843"}],"url":"https:\/\/pacautoperformance.com\/collections\/bavsound.oembed?page=10","provider":"Pacific Automotive Performance","version":"1.0","type":"link"}