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MB Quart Heads to Jeep Beach 2023 and Reveals All-New Jeep Wrangler JL Subwoofer Upgrade

Sun, Jeeps, and an ALL-NEW MB Quart Jeep Wrangler JL Tuned OEM Subwoofer!

Daytona Beach, FL – As the official audio sponsor for Jeep Beach 2023 - MB Quart is heading down to Daytona Beach, Florida, for the biggest Jeep party under the sun! Attracting over 200,000 visitors and 20,000 Jeeps every year, MB Quart is looking to join in on the Jeep Wave fun by showcasing a variety of Jeep Tuned Audio Kits including the reveal of the ALL-NEW Jeep Wrangler JL Tuned OEM Subwoofer Upgrade MBQJL-SUBR-1.


Enhancing every Jeep Wrangler JL Tuned Audio Kit with incredible and deeper bass dimension, the MBQJL-SUBR-1 is a 400-watt subwoofer upgrade for MB Quart Jeep Wrangler (JL) Tuned Audio Kits. This 10-inch complete OEM premium subwoofer upgrade delivers earth-shaking layers of bass into every song and genre of audio. Completing every Jeep Wrangler JL Tuned Audio Kit by infusing audio with a richer sound that seeks heavier bass impact, the Jeep Wrangler JL Tuned OEM Subwoofer Upgrade is the definitive experience of what an in-vehicle concert feels and sounds like.

Brian Sherman, Vice President of Product and Marketing, said, “This subwoofer will transform the way audio is heard in every Jeep Wrangler JL. Not only is this 10-inch OEM subwoofer upgrade heavy in sound by diving deeper into songs with greater force and bass impact - the playback and clarity of this Subwoofer Upgrade is valued and performs. From undistorted bass drops in every note to clean, steady bass - this Jeep Wrangler JL subwoofer upgrade will round out every Jeep Wrangler JL Audio Kit with a lasting impact by creating earth-shaking bass within any song.”

400-watt high-efficiency Class-D compact NA2 amplifiers with onboard equalization make audio come alive in every Jeep Wrangler JL (2018 through current with OEM premium audio subwoofer) vehicle. With an easy-to-install mount/harness using OEM premium subwoofer system enclosure and hardware, only basic hand tools are required to start enjoying every song in deeper bass dimensions of Music. Defined. Jeep Tuned Audio performance.


• COMPATIBLE VEHICLE FITMENT: Jeep Wrangler JL (2018 through current with OEM premium audio subwoofer)

• COMPACT HIGH-EFFICIENCY AMPLIFIER: 400-watt high-efficiency Class-D compact NA2 amplifier with on-board equalization

• HIGH OUTPUT SUBWOOFER: 10-inch application, specific long-throw high output subwoofer: Frequency Response – 20Hz to 250Hz, Sensitivity – 87db, Impedance – 2 Ohm

• MOUNT / HARNESS: Easy installation uses OEM premium subwoofer system enclosure and hardware

• TIME AND TOOLS: Easy OEM fitment makes for a quick installation with basic hand tools

“I am extremely proud of the team for the performance of this subwoofer. This OEM Subwoofer upgrade completes every Jeep Wrangler JL Audio Kit with a heavier sound, deeper playback, and a richer dimension of bass that brings out more from any song. I know for a fact - with the Subwoofer Upgrade I have installed in my Jeep that there is just no going back," concluded Sherman.

Alden Stiefel, President of Maxxsonics, said, “I am extremely proud and happy of the entire team that helped innovate and deliver this superior-sounding subwoofer. From the ground-shaking bass in every bass drop to how clear it sounds with undistorted levels of playback and immersion - this OEM Subwoofer Upgrade will transform every MB Quart Jeep Wrangler JL Tuned Audio Kit to new expectations of sound and performance.”

Having a hugely successful Jeep Beach 2022 - Jeep Beach 2023 looks to build upon the excitement and commitment that MB Quart has invested in Jeep Tuned Audio. This ALL-NEW OEM Subwoofer Upgrade will truly define Music. Defined. forever. All the action takes place at Daytona Beach, Florida, and starts on Sunday, April 23rd, and runs through Sunday, April 30th. Get ready for the ultimate Jeep party under the sun and hear the ALL-NEW MBQJL-SUBR-1 Jeep Wrangler JL Tuned OEM Subwoofer Upgrade!

For a complete breakdown of the ALL-NEW OEM Subwoofer Upgrade, head to the MB Quart website at

MAKE SURE to contact your Maxxsonics Sales Representative NOW as orders for the ALL-NEW MB Quart OEM Subwoofer Upgrade are GOING FAST! For complete event/show details on Jeep Beach 2023, follow the link at

MB Quart is a high-end audio brand known for its elaborate and distinctive designs while producing rich sound quality. Established in 1962, MB Quart began producing professional studio microphones and headphones at its headquarters in Obrigheim, Germany. Through research, innovation, and a dedication to the highest standard of sound quality, MB Quart continues to grow its product line throughout its 50-year history. Our slogan Music. Defined. is the superior standard to how MB Quart holds itself accountable for pushing the bar forward. Consumers of these products can experience a wide range of audio solutions that will deliver all their needs for Powersports and marine machines. The MB Quart brand is owned by Maxxsonics and is based near Chicago, IL. For additional information, go to the brand website at 

Established in 2001 and headquartered in Libertyville, IL, Maxxsonics is a global leader in the Mobile, Marine, and Powersports audio industries. Innovating products that bring out the best in audio and sound, Maxxsonics specializes in designing and manufacturing amplifiers, speakers, subwoofers, and accessories branded; Hifonics, MB Quart, Crunch, and Autotek. Additionally - Maxxsonics is the premier OEM audio supplier of audio solutions/systems for Kawasaki off-road vehicles, Polaris® off-road vehicles, and CFMOTO. Founded by a handful of consumer electronics and automotive security veterans – Maxxsonics products are now heard and experienced around the world. For additional information, go to the corporate website at

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