MBQJL-302 Jeep® Wrangler (JL) Tuned 400 Watt Tailgate Subwoofer System

MB Quart Jeep® Wrangler (JL) Tuned Audio Package: 400 Watt 12 Inch Tailgate Subwoofer with a Ported Enclosure.

$ 749.99
Temporarily sold out

SKU: 806576234258 Category:

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.

Weight 53 lbs
Dimensions 35 × 17 × 10 in

Vehicle Kit


MB Quart


Jeep Wrangler Tuned








1 Year

Compatible Vehicles

Jeep® Wrangler (JL) 2018-Current

Vehicle Kit Total System Power (watts)


Additional Details See Kit Inclusions and Features & Benefits for product components and details.
Proposition 65 Notice ​WARNING: This product can expose you to chemicals including LEAD, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

12 Inch Subwoofer: Application specific high output design.

Subwoofer Mounting

Uses the OEM premium audio system subwoofer enclosure/location.

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.


Subwoofer to amplifier harness.

Compatible Vehicle Fitment

Jeep® Wrangler (JL) 2018-Current

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.

Mount / Harness

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.

Time and Tools

Basic hand tools.

View/Download (7.8 MB)

MB Quart Jeep Vehicle Kit Subwoofer (MBQJL-302/302E) Installation Manual (Rev01)