---
product_id: 446374013
title: "MB QuartMBQJ-STG6AH-1 Jeep Wrangler JL/Gladiator JT 6-Speaker & Dual Amp Upgrade Kit | Stage 6 800W Audio System | 2018+ Models"
brand: "mb quart"
price: "¥446745"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/446374013-mb-quartmbqj-stg6ah-1-jeep-wrangler-jl-gladiator-jt-6
store_origin: JP
region: Japan
---

# Two 400W Class-D amps 75Hz-23kHz frequency range 800W total power MB QuartMBQJ-STG6AH-1 Jeep Wrangler JL/Gladiator JT 6-Speaker & Dual Amp Upgrade Kit | Stage 6 800W Audio System | 2018+ Models

**Brand:** mb quart
**Price:** ¥446745
**Availability:** ✅ In Stock

## Summary

> 🚙 Upgrade your Jeep’s soundtrack—because your ride deserves to be heard!

## Quick Answers

- **What is this?** MB QuartMBQJ-STG6AH-1 Jeep Wrangler JL/Gladiator JT 6-Speaker & Dual Amp Upgrade Kit | Stage 6 800W Audio System | 2018+ Models by mb quart
- **How much does it cost?** ¥446745 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/446374013-mb-quartmbqj-stg6ah-1-jeep-wrangler-jl-gladiator-jt-6)

## Best For

- mb quart enthusiasts

## Why This Product

- Trusted mb quart brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rugged & Ready:** Built tough to withstand Jeep adventures while delivering premium sound quality.
- • **Precision Audio Tuning:** On-board equalization and 12dB midrange + 6dB tweeter crossovers for flawless sound separation.
- • **Powerhouse Amplification:** Dual 400W Class-D amps deliver clean, dynamic 800W total output for off-road jams.
- • **Plug-and-Play Installation:** Vehicle-specific wiring harnesses make upgrade effortless—no pro needed.
- • **Immersive 6-Speaker Soundstage:** Crystal-clear audio with titanium & magnesium dome speakers for rich highs and deep mids.

## Overview

The MB Quart MBQJ-STG6AH-1 Stage 6 Audio System Upgrade is a premium 6-speaker, 800W sound kit designed specifically for Jeep Wrangler JL (2018+) and Gladiator JT (2020+) models. Featuring titanium and magnesium dome speakers, dual 400W Class-D amplifiers with on-board EQ, and vehicle-specific plug-and-play wiring, it delivers superior sound clarity, power, and easy installation for an immersive off-road audio experience.

## Description

MB QuartMBQJ-STG6AH-1 Jeep Wrangler JL/Gladiator JT 6-Speaker & Dual Amp Upgrade Kit | Stage 6 800W Audio System | 2018+ Models

## Features

- PREMIUM JEEP AUDIO UPGRADE: Transform your Jeep's sound with the MB Quart MBQJ-STG6AH-1 Six Speaker 800 Watt STAGE 6 Audio System Upgrade, designed for Jeep Wrangler (JL) 2018-current and Jeep Gladiator (JT) 2020-current models. This comprehensive kit features 0.75" titanium dome dash speakers and 1" magnesium dome rear speakers, delivering crystal-clear sound across a wide 75Hz to 23kHz frequency range. Experience unparalleled audio quality with this speaker upgrade for your Jeep Gladiator or Wrangler JL.
- POWERFUL AMPLIFICATION: Elevate your Jeep's audio performance with two included 400-watt high-efficiency Class-D compact NA2 amplifiers, featuring on-board equalization. These powerful amps work seamlessly with the MB Quart speakers to provide 800 watts of clean, dynamic sound. Whether you're upgrading your Jeep Gladiator's sound system, enhancing your Wrangler JL's audio, or adding a subwoofer, this kit delivers the power and clarity you crave for your off-road adventures.
- SUPERIOR SPEAKER PERFORMANCE: Experience exceptional audio quality with this MB Quart 6-speaker system, boasting a sensitivity of 89dB and impressive power handling of 520W max / 260W RMS. The 12dB midrange and 6dB tweeter crossovers ensure optimal sound separation and clarity. These robust speakers are built to withstand the rugged Jeep lifestyle while delivering superior sound. Upgrade your Jeep Gladiator soundbar or Wrangler JL speakers for a truly immersive audio experience.
- EASY INSTALLATION: Designed for hassle-free setup, this Jeep speaker upgrade kit comes with vehicle-specific wiring and harnesses for seamless integration. The "no mistakes" plug-and-play design ensures a straightforward installation process, requiring only basic hand or power tools. Whether you're upgrading your Jeep Gladiator's stereo or enhancing your Wrangler JL's sound, this MB Quart kit makes the process simple and efficient for both DIY enthusiasts and professionals.
- COMPLETE AUDIO SOLUTION: The MB Quart STAGE 6 Audio System Upgrade offers a comprehensive solution for Jeep owners seeking to elevate their vehicle's sound quality. This kit provides a significant upgrade over factory speakers and is compatible with aftermarket source units, transforming your Jeep's audio environment. Perfect for those looking for a Jeep Wrangler JL audio upgrade or a Jeep Gladiator speaker upgrade kit with amplification included. Ideal for customizing your Jeep's audio to your exact preferences.

## Product Details

- **Brand:** MB Quart
- **Speaker Maximum Output Power:** 800 Watts
- **Connectivity Technology:** Coaxial
- **Audio Output Mode:** Stereo and Surround Sound
- **Input Voltage:** 12 Volts (DC)

## Images

![MB QuartMBQJ-STG6AH-1 Jeep Wrangler JL/Gladiator JT 6-Speaker & Dual Amp Upgrade Kit | Stage 6 800W Audio System | 2018+ Models - Image 1](https://m.media-amazon.com/images/I/71OCxngzdWL.jpg)
![MB QuartMBQJ-STG6AH-1 Jeep Wrangler JL/Gladiator JT 6-Speaker & Dual Amp Upgrade Kit | Stage 6 800W Audio System | 2018+ Models - Image 2](https://m.media-amazon.com/images/I/61jAIJZCEML.jpg)
![MB QuartMBQJ-STG6AH-1 Jeep Wrangler JL/Gladiator JT 6-Speaker & Dual Amp Upgrade Kit | Stage 6 800W Audio System | 2018+ Models - Image 3](https://m.media-amazon.com/images/I/71hWA9LSPrL.jpg)
![MB QuartMBQJ-STG6AH-1 Jeep Wrangler JL/Gladiator JT 6-Speaker & Dual Amp Upgrade Kit | Stage 6 800W Audio System | 2018+ Models - Image 4](https://m.media-amazon.com/images/I/61qjV+T4FEL.jpg)
![MB QuartMBQJ-STG6AH-1 Jeep Wrangler JL/Gladiator JT 6-Speaker & Dual Amp Upgrade Kit | Stage 6 800W Audio System | 2018+ Models - Image 5](https://m.media-amazon.com/images/I/71rbEXjQSEL.jpg)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-30*