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. | Mb Quart | | 8" Subwoofer Upgrade for 21-24 Ford Bronco, Tuned Audio Package, 400W | Black | Best Buy