Elevate your driving experience with the MB Quart Subwoofer Upgrade, a tuned audio package engineered exclusively for the 2021–2024 Ford Bronco equipped with the OEM B&O sound system. Designed to deliver deeper bass, cleaner response, and higher output, this system brings your Bronco’s audio performance to life with powerful low-end clarity that factory equipment simply can’t match.
At the heart of the upgrade is an 8-inch, application-specific long-throw subwoofer designed for maximum output in the Bronco’s OEM B&O enclosure. Tuned for precision and punch, it delivers a frequency response of 50Hz to 250Hz, adding fullness and tight, accurate bass to your music. With a sensitivity of 89 dB and a 2-ohm impedance, it efficiently converts power into impactful sound, ideal for everything from rock and country to hip-hop and electronic.
Powering this performance is a compact yet robust 400-watt Class-D NA2 amplifier. Engineered for high efficiency and low current draw, it provides clean, controlled power with onboard equalization to ensure the subwoofer performs at its peak. Despite its impressive output, the amp’s small chassis is easy to mount and integrates seamlessly into the vehicle. A powder-coated mounting plate ensures secure placement and long-term durability, even in rugged off-road environments.
Installation is designed to be straightforward: the system uses the Bronco’s OEM B&O subwoofer enclosure, existing hardware, and a dedicated subwoofer-to-amplifier harness. With basic hand tools, the upgrade can be completed cleanly without vehicle modification.
Whether you’re cruising the highway or hitting the trails, the MB Quart 8″ Subwoofer Upgrade delivers a richer, more immersive listening experience, transforming your Bronco’s audio system into the powerful, full-bodied sound package it was meant to be.
- Designed for 2021–2024 Ford Bronco models with the OEM B&O system, using the factory subwoofer enclosure and hardware for a seamless upgrade
- 8″ long-throw sub delivers tight, powerful bass with a 50–250Hz frequency range, 89 dB sensitivity, and 2-ohm wiring for efficient performance
- Compact 400W Class-D amplifier provides clean, efficient power with onboard EQ, low current draw, and a small chassis that fits easily
- Includes a dedicated subwoofer-to-amplifier harness and mounts using OEM locations; requires only basic hand tools for a clean, no-mod setup
- Amplifier secures to a powder-coated mounting plate for long-lasting stability, even during rugged driving or off-road use
- This system upgrades the OEM B&O audio subwoofer and requires the OEM 8″ subwoofer enclosure. Plug & Play with any of the MB Quart STAGE 6 Ford Bronco Tuned Audio Systems. Additional parts needed if not pairing with an MB Quart Tuned Audio System please consult professional installer.
- Color: black
- Dimensions (L x W x H): 12.25 x 12.25 x 11.38 inches
- Weight: 10.6 pounds
- Manufacturer warranty: 1-year Warranty
Questions? We’ve Got Answers.
Helpful answers about product features, setup, and more
What are the dimensions of the subwoofer?
The subwoofer measures 12.25 x 12.25 x 11.38 inches (length x width x height). Use these measurements to plan mounting, placement, or transport for your setup.
What is the subwoofer used for?
The subwoofer is used for live sound, DJ setups, home audio, or event production, depending on configuration. It connects with a typical audio chain — source, mixer or controller, and amplification — to produce sound for the intended environment.
Is there a warranty on the subwoofer?
Yes. The subwoofer is backed by 1-year manufacturer warranty. Coverage details and claim procedures are provided by the manufacturer; retain your order receipt as proof of purchase if you ever need to file a claim.
Who makes the subwoofer?
The subwoofer is made by MB Quart. MB Quart produces this item as part of its lineup, and product details such as specifications, included accessories, and warranty terms are set by the brand.
How much does the subwoofer weigh?
The subwoofer weighs approximately 10.6 pounds. Use this figure to plan transport, rigging, or mounting requirements for your setup.
What should I know about the subwoofer before buying?
The subwoofer from MB Quart brings together a few practical features worth highlighting:
- 1-year manufacturer warranty
Review the product description and specifications to confirm it matches your specific needs before placing your order.
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