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Highest Quality, Hand-Picked Jeep Parts & Accessories Shipped to Your Door
Highest Quality, Hand-Picked Jeep Parts & Accessories Shipped to Your Door

MB Quart 400 Watt Tailgate 12" Subwoofer System (MBQJL-302) I '18-'23 Jeep JL Wrangler

Original price $399.99 - Original price $1,014.99
Original price
$699.99
$399.99 - $1,014.99
Current price $699.99

Free US Standard Shipping, 60-Day Returns, 1-Year Warranty

To be used as an add on with the MB Quart 800 Watt Stage 6 System: This product includes the subwoofer and amplifier, however it is meant to pair with the full Stage 6 product which includes the amp bracket and all wiring. MB Quart 800 Watt Stage 6 Tuned Six Speaker Upgrade Link.

MB Quart Jeep® Wrangler (JL) Tuned Audio Package: 400 Watt 12 Inch Tailgate Subwoofer with a Ported Enclosure.  MB Quart 12" subwoofer system powered by a 400 watt class-d amplifier. This system uses the interior tailgate panel for mounting the subwoofer enclosure. Plug & Play with any of the MB Quart STAGE 6 Wrangler (JL) systems.

JEEP® READY!

Easy Installation uses the interior tailgate panel to mount the subwoofer enclosure and includes all necessary hardware. 

Connecting to a stock head unit?  We have you covered with the option of adding the PAC AAMPRO CH41 module which is the interface that allows for you to connect the amp RCA's to the factory head unit. 

  • Installation: Plug & Play with no splicing or cutting wires.
  • Compatibility: Jeep® Wrangler (JL) '18-'23
  • Time and Tools: Basic hand tools.
  • Installation Guide

TESTED AND APPROVED BY TRAIL SEVEN: MB Quart plug and play bundles have been installed and tested on our Trail Seven Jeep and we're pleased to put our stamp of approval on this system!


  • FEATURES
  • TECH SPECS
  • WHAT'S IN THE BOX
    • Amplifier Features: 400 watt high efficiency Class-D compact NA2 amplifiers with on-board equalization.
    • Subwoofer Features: 12 inch application specific high output subwoofer: Frequency Response - 24Hz to 500Hz, Sensitivity - 86.6dB 1W/1M, Impedance - 2 Ohm.
    • Easy Installation uses the interior tailgate panel to mount the subwoofer enclosure and includes all necessary hardware. Simple “no mistakes” plug and play OEM style installation when paired with our Wrangler (JL) STAGE 6 Audio Kits.

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    • Weight: 35 lbs
    • Dimensions: 35 × 17 × 10 in
    • Type: Vehicle Kit- Jeep
    • Series: Jeep Wrangler (JL) Tuned
    • Warranty: 1 Year
    • Vehicle Kit Total System Power (watts): 400 watts 

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      • Subwoofer: 12 Inch Subwoofer: Application specific high output design.
      • Subwoofer Mounting: Easy Installation uses the interior tailgate panel to mount the subwoofer enclosure and includes all necessary hardware. Simple “no mistakes” plug and play OEM style installation when paired with our Wrangler (JL) STAGE 6 Audio Kits.
      • Subwoofer Amplifier: 400 Watt High Efficiency, Class D Amplifier: Big power, small chassis design with low current draw.
      • Subwoofer Amplifier Mounting: Mounts to amp plate that is included with MBQJ-STG6A-1 and MBQJ-STG6AH-1.
      • Harnessing: Subwoofer to amplifier harness.

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