{"product_id":"mb-quart-ford-bronco-subwoofer-upgrade-400w-8in-for-b-o-2021-2024","title":"MB Quart Ford Bronco Subwoofer Upgrade, 400W 8\" for B\u0026O (2021-2024)","description":"\u003cp\u003e\u003cstrong\u003eThe MB Quart MBQBRO-SUBR-1 is a Bronco subwoofer upgrade for 2021-2024 models with the OEM B\u0026amp;O audio system: an 8 inch long-throw sub wired at 2 ohms, powered by a 400 watt Class D amplifier, that uses the factory B\u0026amp;O subwoofer enclosure and location.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMB Quart says it is plug and play with any of its Stage 6 Ford Bronco tuned audio systems. If you are not pairing it with an MB Quart tuned audio system, additional parts are needed and MB Quart recommends consulting a professional installer.\u003c\/p\u003e\n\u003cp\u003eIf the factory Bronco B\u0026amp;O subwoofer is the weak link, this Ford Bronco subwoofer replacement keeps the stock location while adding a real Bronco amp. It is the Bronco subwoofer to pick when you want a Bronco B\u0026amp;O upgrade without losing space, and its Bronco amplifier and MB Quart subwoofer pairing makes it a natural Bronco audio upgrade alongside an MB Quart Bronco Stage 6 kit.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e8 inch application specific long-throw high output subwoofer, 2 ohm\u003c\/li\u003e\n\u003cli\u003e400 watt high efficiency Class D NA2 amplifier with on-board equalization\u003c\/li\u003e\n\u003cli\u003eUses the OEM B\u0026amp;O subwoofer enclosure, location and hardware\u003c\/li\u003e\n\u003cli\u003ePowder coated amplifier mounting plate\u003c\/li\u003e\n\u003cli\u003eSubwoofer to amplifier harness\u003c\/li\u003e\n\u003cli\u003ePlug and play with MB Quart Stage 6 Ford Bronco systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eBuilt To Solve: A Weak or Silent Factory Sub in the Ford Bronco\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFactory B\u0026amp;O bass that cannot keep up with an upgraded system\u003c\/li\u003e\n\u003cli\u003eStage 6 B\u0026amp;O installs, where MB Quart says the factory sub stops being functional\u003c\/li\u003e\n\u003cli\u003eLosing cargo space to a bulky aftermarket box\u003c\/li\u003e\n\u003cli\u003eCustom amp wiring for a sub upgrade\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eBest For: 2021-2024 Ford Bronco B\u0026amp;O Owners Adding Bass\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2021-2024 Bronco owners with the OEM B\u0026amp;O audio system\u003c\/li\u003e\n\u003cli\u003eOwners installing an MB Quart Stage 6 Bronco system\u003c\/li\u003e\n\u003cli\u003eOwners who want to keep the factory sub location\u003c\/li\u003e\n\u003cli\u003eFor a larger 12 inch option, see the MBQBRO-302 tailgate subwoofer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSubwoofer: 8 inch long-throw high output, 2 ohm impedance\u003c\/li\u003e\n\u003cli\u003eFrequency response: 50Hz to 250Hz; sensitivity: 89dB\u003c\/li\u003e\n\u003cli\u003eAmplifier: 400 watt Class D NA2 with on-board equalization; powder coated mounting plate\u003c\/li\u003e\n\u003cli\u003eTotal system power: 400 watts\u003c\/li\u003e\n\u003cli\u003eMounting: OEM B\u0026amp;O subwoofer enclosure and location, uses OEM hardware\u003c\/li\u003e\n\u003cli\u003eHarness: subwoofer to amplifier harness\u003c\/li\u003e\n\u003cli\u003eInstall: basic hand tools\u003c\/li\u003e\n\u003cli\u003eColor: Black; warranty: 1 year\u003c\/li\u003e\n\u003cli\u003eListed weight: 10.6 lbs; listed dimensions: 12.25 x 12.25 x 11.38 in\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: MBQBRO-SUBR-1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eMB Quart lists the MBQBRO-SUBR-1 for the Ford Bronco 2021-2024 with the OEM B\u0026amp;O audio system. It is plug and play with MB Quart Stage 6 Ford Bronco systems; other setups need additional parts. Fitment is not guaranteed on applications not listed by MB Quart.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhich Bronco does the MBQBRO-SUBR-1 fit?\u003c\/h3\u003e\n\u003cp\u003eMB Quart lists the Ford Bronco 2021-2024 with the OEM B\u0026amp;O audio system.\u003c\/p\u003e\n\u003ch3\u003eDo I need an MB Quart Stage 6 kit?\u003c\/h3\u003e\n\u003cp\u003eIt is plug and play with any MB Quart Stage 6 Ford Bronco system. MB Quart says additional parts are needed otherwise and recommends a professional installer.\u003c\/p\u003e\n\u003ch3\u003eDoes it replace the factory sub box?\u003c\/h3\u003e\n\u003cp\u003eNo. It uses the OEM B\u0026amp;O subwoofer enclosure, location and hardware.\u003c\/p\u003e\n\u003ch3\u003eWhat powers the subwoofer?\u003c\/h3\u003e\n\u003cp\u003eA 400 watt Class D NA2 amplifier with on-board equalization, included with the kit.\u003c\/p\u003e\n\u003ch3\u003eHow does it compare with the MBQBRO-302?\u003c\/h3\u003e\n\u003cp\u003eThe MBQBRO-SUBR-1 is an 8 inch sub in the factory location. The MBQBRO-302 is a 12 inch sub in a ported enclosure on the interior tailgate panel, also with a 400 watt amplifier.\u003c\/p\u003e\n\u003ch3\u003eIs there an install video?\u003c\/h3\u003e\n\u003cp\u003eYes. MB Quart's official channel has an MBQBRO-SUBR-1 installation video, embedded below, and MB Quart publishes installation manuals for Broncos with and without B\u0026amp;O.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy MB Quart\u003c\/h2\u003e\n\u003cp\u003eMB Quart builds its Ford Tuned audio packages around a specific truck rather than adapting universal gear: speakers drop into factory locations, amplifiers sit on powder coated mounting plates, and vehicle specific harnesses keep the install plug-and-play. This subwoofer upgrade carries a 1 year MB Quart warranty.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003ePair This Bronco Subwoofer Upgrade With a Stage 6 System\u003c\/h2\u003e\n\u003cp\u003eConfirm your Bronco is a 2021-2024 with the OEM B\u0026amp;O system before ordering this subwoofer upgrade. It plugs straight into MB Quart's Stage 6 Bronco kits; without one, plan for additional parts and a professional installer. Questions? Contact Dunes 2 Dezert SXS before you buy.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eInstallation Video\u003c\/h2\u003e\n\u003cp\u003eMB Quart MBQBRO-SUBR-1 Ford Bronco 400 Watt 8\" OEM Subwoofer Upgrade Installation Video (official MB Quart video).\u003c\/p\u003e\n\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/8raYqvVC5JE\" title='MB Quart MBQBRO-SUBR-1 Ford Bronco 400 Watt 8\" OEM Subwoofer Upgrade Installation Video' style=\"position:absolute;top:0;left:0;width:100%;height:100%;\" frameborder=\"0\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which Bronco does the MBQBRO-SUBR-1 fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"MB Quart lists the Ford Bronco 2021-2024 with the OEM B\u0026O audio system.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need an MB Quart Stage 6 kit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is plug and play with any MB Quart Stage 6 Ford Bronco system. 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