MB Quart UNI8.1R | 8" UTV Marine Audio System with Bluetooth

Rugged Power Meets Premium Sound in One Complete Package

The MB Quart UNI8.1R is a universal UTV audio system built for off-road and marine adventures. With 280 watts of peak power, waterproof 8" tower speakers, and a Bluetooth-equipped GMR-1.5 digital media receiver, this system delivers clear, powerful sound wherever your journey takes you — on land or water.

🌊 Built for the Wild

H2: Weatherproof & Trail-Ready Marine Audio System

Designed for UTVs, ATVs, and boats, the UNI8.1R system stands up to the elements with an IPX-rated waterproof build. The 8" coaxial speakers are housed in tower enclosures built from rugged, high-density material, ideal for extreme off-road and marine conditions.

🎵 Bluetooth Audio on the Go

H3: GMR-1.5 Marine Bluetooth Receiver

• Secure, quick-pair Bluetooth connectivity

• Seamless streaming from phones and tablets

• Gauge-style mount fits easily in your UTV or dashboard

• Easy-to-use knob interface and clear display

Control your music with ease while keeping your focus on the trail or waves.

🔊 Powerful & Balanced Sound Output

H3: High-Performance 8" Tower Speakers

• Dual 8" 2-way coaxial speakers

• 280W peak / 140W RMS system output

• Engineered for natural highs and deep, responsive bass

• Minimal cone flex for clear playback even at high volumes

Whether you’re cruising on the beach or climbing trails, this UTV speaker system makes sure you don’t miss a beat.

🛠️ Easy Plug-and-Play Install

H4: Universal Fit & Quick Setup

• Universal compatibility for most UTVs and ATVs

• Plug-and-play harness with pre-measured waterproof wires

• Simple gauge-mount for receiver

• Mounting hardware included

No need to worry about splicing or guessing — just plug, mount, and hit the road.

🧰 Specifications at a Glance

• Model: MB Quart UNI8.1R

• Power: 280W Peak / 140W RMS

• Speakers: (2) 8” coaxial tower enclosures

• Receiver: GMR-1.5 Bluetooth Marine Digital Media Receiver

• Weather Resistance: IPX-rated

• Fitment: Universal UTV/ATV-compatible

🔧 Expert Installation Available at Audio Jam

Get it installed by the pros! Audio Jam in Bear, DE offers professional installation for marine and UTV audio systems. We specialize in custom marine audio near you and make sure your ride is trail or water-ready.

Need more rugged gear? Check out our marine stereos or explore window tinting services to upgrade your UTV fully.