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MB Quart 400 Watt Tuned Dual Subwoofers System | Jeep® Gladiator (JT)

MB Quart 400 Watt Tuned Dual Subwoofers System | Jeep® Gladiator (JT)

Regular price $699.99
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MB Quart Jeep® Gladiator (JT) Tuned Audio Package: 400 Watt Two Underseat Subwoofer System Upgrade.

    FITS: 2020-2023 Jeep JT Gladiator

    • Plug & Play only when combined with MB Quart Stage 6 Kit
    • Free Lower 48 Shipping
    • 60-Day Returns
    • 1-Year Warranty
    • Lead Time: 1 business day or less
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MB Quart dual 8″ underseat subwoofer system powered by a 400 watt class-d amplifier.

Manufacturers Part Number: MBQJT-SUBA-1
Instruction Manual: Assembly Instructions

Details & Specifications

  • Weight: 27 lbs
  • Dimensions: 48.0 × 10.0 × 9.0 in
  • Type: Vehicle Kit
  • Brand: MB Quart
  • Series: Jeep Gladiator Tuned
  • Category: Mobile
  • Condition: New
  • Color: Black
  • Warranty: 1 year
  • Compatible Vehicles: Jeep® Gladiator (JT) 2020-2023
  • 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

Kit Inclusions

  • Subwoofer: 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.
  • Harnessing: Wiring harness included with MBQJ-STG6A-1 and MBQJ-STG6AH-1.

Features & Benefits

  • Compatible Vehicle Fitment: Jeep® Gladiator (JT) 2020-2023
  • 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.

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