GMR-1.5W Marine Gauge Receiver with Bluetooth, USB, Aux

The MB Quart GMR-1.5W is a white-finished gauge mount source unit built for boats, ATVs, UTVs, and RZRs, backed by a 160 W internal amplifier (4 x 40 W peak) that can power speakers directly without an outboard amp. Bluetooth streaming includes Quick-Pair, reconnecting to the last paired phone automatically at power-up, while USB and RCA aux inputs cover wired sources and Apple device control. A main control knob and nine faceplate buttons keep operation straightforward, and a subwoofer RCA output stays available even while the amp powers four speaker channels directly. Built to IPX67 standards, it resists water, dust, and snow for use on an open boat deck or dusty trail. It mounts into a standard 2.99 inch gauge hole with a 3.14 inch total mounting depth, fitting the round gauge openings common on marine dashboards and off-road vehicles. At 1.85 lb, it adds minimal weight to any dash or gauge panel.