MBQJT-SUBA-1 400 Watt Jeep® Gladiator (JT) Tuned Dual Subwoofers System

MB Quart Jeep® Gladiator (JT) Tuned Audio Package: 400 Watt Two Underseat Subwoofer System Upgrade.

$ 749.99

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SKU: 806576232193 Category:

MB Quart dual 8″ underseat subwoofer system powered by a 400 watt class-d amplifier.

Weight 27.0 lbs
Dimensions 48.0 × 10.0 × 9.0 in

Vehicle Kit


MB Quart


Jeep Gladiator Tuned








1 Year

Compatible Vehicles

Jeep® Gladiator (JT) 2020-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.

Two 8 Inch 8 Ohm Subwoofers: Application specific long-throw design.

Subwoofer Mounting

Rear Underseat Subwoofer Enclosure: High quality HDPE construction with molded in center support structure, 1.0 cubic feet of internal airspace.

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 included with MBQJ-STG6A-1 and MBQJ-STG6AH-1.


Wiring harness included with MBQJ-STG6A-1 and MBQJ-STG6AH-1.

Compatible Vehicle Fitment

Jeep® Gladiator (JT) 2020-Current

Amplifier Features

400 watt high efficiency Class-D compact NA2 amplifiers with on-board equalization.

Subwoofer Features

Two 8 inch application specific long-throw subwoofers: Frequency Response - 50Hz to 250Hz, Sensitivity - 89db, Impedance - 4 Ohm.

Mount / Harness

Easy Installation Uses OEM hardware. Full access to jack and top parts. No modification to floormats required.

Time and Tools

Basic hand tools.

View/Download (4.7 MB)

MB Quart Jeep Vehicle Kit (MBQJT-SUB-1/MBQJT-SUBA-1) Installation Manual (Rev01)