Description
MB Quart MBQJ-STG4AH-1 800 watt four speaker STAGE 4 audio system with two 3.5 inch coaxial speakers, two 6.5 inch midbass drivers, powered by two 400 watt Class-D amplifiers (Requires aftermarket source unit, and requires rear speaker kit or soundbar). MOPAR Part #: 68729813AA
| Compatible Vehicle Fitment |
Jeep® Wrangler (JL) 2018-Current with aftermarket radio, Jeep® Gladiator (JT) 2020-Current with aftermarket radio |
|---|---|
| Source Unit Features |
Requires aftermarket source unit. |
| Speaker Features |
Tweeter: 0.75"" titanium dome (dash speaker), Crossover: 12db midrange / 6db tweeter, Frequency Response: 75Hz to 23kHz, Sensitivity: 89db, 300W Maxx / 150W RMS. |
| Amplifier Features |
400 watt high efficiency Class-D compact NA2 amplifiers with on-board equalization. |
| Mount / Harness |
Vehicle Specific Wiring and Harness. Simple “no mistakes” plug and play OEM style installation. |
| Time and Tools |
Basic hand tools. |
| Front Speakers |
Two 3.5 inch coaxial speakers with 0.75 inch magnesium dome tweeters, Two 6.5 inch midbass drivers: Lightweight yet durable pop paper cone with mica blend. |
|---|---|
| Front Speakers Mounting |
Speaker Enclosure: Composite construction with integrated OEM module mounting location. Drop in direct replacement for factory enclosures. |
| Full Range Amplifier |
Two 400 Watt Full Range, Two Channel Class D Amplifiers: Big power, small chassis design with low current draw. |
| Full Range Amplifier Mounting |
Powder coated mounting plate. |
| Harnessing |
OEM adaptor plug. |
Details & Specs
| Type |
Vehicle Kit |
|---|---|
| Brand |
MB Quart |
| Series |
Jeep Gladiator Tuned, Jeep Wrangler Tuned |
| Category |
Mobile |
| Condition |
New |
| Color |
Black |
| Warranty |
1 Year |
| Compatible Vehicles |
Jeep® Gladiator (JT) 2020-Current, Jeep® Wrangler (JL) 2018-Current, Jeep® Gladiator (JT) 2020-2023, Jeep® Gladiator (JT) 2024-Current, Jeep® Wrangler (JL) 2018-2023, Jeep® Wrangler (JL) 2024-Current |
| Vehicle Kit Total System Power (watts) |
800 |
| Additional Details | See Kit Inclusions and Features & Benefits for product components and details. |
| Proposition 65 Notice | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |












