Uploaded February 2025 | Updated September 2026, 26 minutes ago

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In this video we show the installation process for the MB Quart STAGE 4 Jeep® Wrangler® (JL) / Gladiator (JT) Tuned Four Speaker Audio System Upgrade(MB Quart Part #: MBQJ-STG4A-1 | MOPAR Part #: 68729812AA).

This Jeep Wrangler JL / Gladiator JT audio system was engineered by MB Quart to upgrade and replace the OEM stereo. Specifically designed provide an amazing audio experience that matches the fit and finish of your Jeep.

Learn more about all the MB Quart STAGE 4 Jeep® STAGE 4 Jeep® Wrangler® (JL) / Gladiator (JT) Tuned Audio System (MBQJ-STG4A-1 MOPAR Part #: 68729812AA) at the following link:

MB Quart Jeep Wrangler JL / Gladiator STAGE 4 Audio System:
mbquart.com/shop/mobile/mobile-vehicle-kits/jeep-wrangler-tuned-systems/mbqj-stg4a-1-800-watt-stage-4-jeep-wrangler-jl-gladiator-jt-tuned-four-speakers-system-upgrade-for-oem-source-unit

Introduction and Tools List: 0:00-1:42
Removing OEM Front Dash Speakers and Tweeters: 1:42-9:18
Installing MB Quart Front Dash Speakers and Tweeters: 9:18-11:33
Amplifier and Radio Wiring / Connections: 11:33-15:26
Amplifier and Radio Tuning / Installation: 15:26-16:46
Finally Assembly and Outro: 16:46-23:05