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MB Quart MBQJ-STG4AH-1 800W STAGE 4 Speaker Full Audio System Upgrade for 2018-2025 Jeep Gladiator, Wrangler (JL)

MB Quart MBQJ-STG4AH-1 800W STAGE 4 Speaker Full Audio System Upgrade for 2018-2025 Jeep Gladiator, Wrangler (JL)
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MB Quart MBQJ-STG4AH-1 800W STAGE 4 Speaker Full Audio System Upgrade for 2018-2025 Jeep Gladiator, Wrangler (JL)

The MB Quart MBQJ-STG4AH-1 800 Watt STAGE 4 Audio System is a high-performance upgrade designed specifically for Jeep Wrangler (JL) 2018-current and Jeep Gladiator (JT) 2020-current models with aftermarket source units. This tuned four-speaker kit includes two 6.5" midbass drivers and two 3.5" coaxial speakers, delivering rich, immersive sound with crisp high frequencies thanks to 0.75" titanium dome tweeters. The system features two 400-watt Class-D amplifiers that provide powerful output and enhanced efficiency, perfect for upgrading factory audio systems. The lightweight, durable paper cones with mica blend reduce distortion, ensuring clear and accurate sound reproduction across a wide frequency range 75Hz to 23kHz. The system is designed for easy installation with a drop-in replacement for factory enclosures and a simple plug-and-play harness. Compatible with aftermarket radios, it’s an ideal solution for those seeking a substantial audio upgrade for their Jeep with a max power output of 300W (150W RMS). The kit also includes a vehicle-specific wiring harness and a powder-coated mounting plate for hassle-free setup. Enjoy powerful performance and improved efficiency with this expertly tuned audio system.

  • 800-Watt System: High-performance four-speaker kit with two 6.5" midbass drivers and two 3.5" coaxial speakers.
  • Optimized for Aftermarket Source Units: Designed to enhance audio performance when paired with aftermarket head units.
  • Powerful Class-D Amplifiers: Includes two 400W high-efficiency Class-D amplifiers for superior sound control and performance.
  • Exceptional High-Frequency Clarity: 0.75" titanium dome tweeters for crisp, clear high frequencies.
  • Wide Frequency Response: 75Hz – 23kHz for accurate and full-range sound reproduction.
  • Lightweight, Durable Cones: Paper cones with a mica blend to reduce distortion and improve sensitivity.
  • Plug-and-Play Installation: Simple, no-fuss installation with OEM-style harness and vehicle-specific wiring.
  • Maximum Power Output: 300W peak (150W RMS) for rich, dynamic sound.
  • Direct Replacement for Factory Speakers: Drop-in compatible with Jeep Wrangler JL (2018-current) and Gladiator JT (2020-current).
  • Custom Mounting Enclosures: Composite construction with integrated OEM module mounting locations for easy setup.
  • Full Range Crossover: 12db midrange and 6db tweeter crossover for smooth sound transitions.

Specifications

  • Vehicle Kit Total System Power: 800 watts
  • RMS Power: 150 watts
  • Peak Power Handling: 300 watts
  • Frequency Response: 75 Hz - 23 kHz
  • Sensitivity: 89 dB
  • Speaker Size: 6-1/2"
  • Speaker Type: Coaxial
  • Woofer Composition: Fiber
  • Integrated Crossover: Yes
  • Crossover: 12db midrange / 6db tweeter
  • Tweeter: 0.75" titanium dome (dash speaker)
  • Weight: 25 lbs
  • Dimensions: 22.24 × 18.34 × 10.59 inches

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

Front Speakers

  • Two 3.5 inch coaxial speakers with 0.75 inch magnesium dome tweeters
  • Two 6.5 inch midbass drivers with lightweight yet durable pop paper cone with mica blend

Full Range Amplifier

  • Two 400 Watt Full Range, Two Channel Class D Amplifiers with low current draw

Source Unit Features: Requires aftermarket source unit

What is Proposition 65?

California’s Proposition 65 protects California consumers by requiring special warnings for products that contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm where those products would expose consumers to such chemicals above certain threshold levels.

If a product description on this site directed you to this page, the warning for this item is:

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

Who is this message intended for?

Customers with a California billing or ship to address.

Why are you seeing the message now?

California implemented new guidelines for Proposition 65 warnings, effective August 30, 2018. These guidelines were applied to make the warnings more clear and reasonable.

Where can you get more information about Proposition 65?

Learn more from the California Office of Environmental Health Hazard Assessment (OEHHA) site here.

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Description

MB Quart MBQJ-STG4AH-1 800W STAGE 4 Speaker Full Audio System Upgrade for 2018-2025 Jeep Gladiator, Wrangler (JL)

The MB Quart MBQJ-STG4AH-1 800 Watt STAGE 4 Audio System is a high-performance upgrade designed specifically for Jeep Wrangler (JL) 2018-current and Jeep Gladiator (JT) 2020-current models with aftermarket source units. This tuned four-speaker kit includes two 6.5" midbass drivers and two 3.5" coaxial speakers, delivering rich, immersive sound with crisp high frequencies thanks to 0.75" titanium dome tweeters. The system features two 400-watt Class-D amplifiers that provide powerful output and enhanced efficiency, perfect for upgrading factory audio systems. The lightweight, durable paper cones with mica blend reduce distortion, ensuring clear and accurate sound reproduction across a wide frequency range 75Hz to 23kHz. The system is designed for easy installation with a drop-in replacement for factory enclosures and a simple plug-and-play harness. Compatible with aftermarket radios, it’s an ideal solution for those seeking a substantial audio upgrade for their Jeep with a max power output of 300W (150W RMS). The kit also includes a vehicle-specific wiring harness and a powder-coated mounting plate for hassle-free setup. Enjoy powerful performance and improved efficiency with this expertly tuned audio system.

  • 800-Watt System: High-performance four-speaker kit with two 6.5" midbass drivers and two 3.5" coaxial speakers.
  • Optimized for Aftermarket Source Units: Designed to enhance audio performance when paired with aftermarket head units.
  • Powerful Class-D Amplifiers: Includes two 400W high-efficiency Class-D amplifiers for superior sound control and performance.
  • Exceptional High-Frequency Clarity: 0.75" titanium dome tweeters for crisp, clear high frequencies.
  • Wide Frequency Response: 75Hz – 23kHz for accurate and full-range sound reproduction.
  • Lightweight, Durable Cones: Paper cones with a mica blend to reduce distortion and improve sensitivity.
  • Plug-and-Play Installation: Simple, no-fuss installation with OEM-style harness and vehicle-specific wiring.
  • Maximum Power Output: 300W peak (150W RMS) for rich, dynamic sound.
  • Direct Replacement for Factory Speakers: Drop-in compatible with Jeep Wrangler JL (2018-current) and Gladiator JT (2020-current).
  • Custom Mounting Enclosures: Composite construction with integrated OEM module mounting locations for easy setup.
  • Full Range Crossover: 12db midrange and 6db tweeter crossover for smooth sound transitions.
Specs/Features
Files and Documents

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Proposition 65

What is Proposition 65?

California’s Proposition 65 protects California consumers by requiring special warnings for products that contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm where those products would expose consumers to such chemicals above certain threshold levels.

If a product description on this site directed you to this page, the warning for this item is:

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

Who is this message intended for?

Customers with a California billing or ship to address.

Why are you seeing the message now?

California implemented new guidelines for Proposition 65 warnings, effective August 30, 2018. These guidelines were applied to make the warnings more clear and reasonable.

Where can you get more information about Proposition 65?

Learn more from the California Office of Environmental Health Hazard Assessment (OEHHA) site here.