MB Quart MBQJ-STG4A-1 Jeep® Wrangler (JL) / Gladiator (JT) STAGE 4 Audio System

Upgrade your Jeep® Wrangler JL (2018-Current) or Gladiator JT (2020-Current) with the MB Quart MBQJ-STG4A-1, an 800 watt four-speaker STAGE 4 audio system. Designed to use your OEM source unit, this system requires a rear speaker kit or soundbar for full audio performance. MOPAR Part #: 68729812AA.

Included Components

• Front Speakers: Two 3.5 inch coaxial speakers with 0.75 inch titanium dome tweeters, and two 6.5 inch midbass drivers with lightweight pop paper cone and mica blend for clarity and durability.
• Front Speaker Mounting: Composite enclosures with integrated OEM module mounting; drop-in replacement for factory enclosures.
• Full Range Amplifiers: Two 400 Watt Class-D two-channel amplifiers for powerful and efficient audio output.
• Amplifier Mounting: Powder-coated mounting plates included.
• Harnessing: Vehicle-specific wiring and plug-and-play installation with AAMPRO interface for seamless integration with OEM source unit.

Specifications & Features

• Type: Vehicle Kit
• Brand: MB Quart
• Series: Jeep Wrangler Tuned, Jeep Gladiator Tuned
• Category: Mobile
• Condition: New
• Color: Black
• Warranty: 1 Year
• Compatible Vehicles: Jeep® Wrangler JL 2018-Current, Jeep® Gladiator JT 2020-Current
• Total System Power: 800 Watts
• Proposition 65 Notice: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Speaker Features

• Tweeter: 0.75" titanium dome (dash speaker)
• Crossover: 12db midrange / 6db tweeter
• Frequency Response: 75Hz – 23kHz
• Sensitivity: 89dB
• Power: 300W Maxx / 150W RMS

Amplifier Features

• Two 400 Watt high-efficiency Class-D NA2 amplifiers
• Compact design with on-board equalization
• Low current draw for efficient performance

Installation

• Simple plug-and-play vehicle-specific harness
• OEM-style installation with no mistakes
• Basic hand tools required