The Boss Audio MGR300B is a top - notch marine stereo. It comes in a compact round, gauge - style design that easily fits into a standard gauge opening. You can tune in to AM/FM radio with 18 presets or connect a compatible device via the rear USB/Aux input. The large backlit LED display allows you to quickly see what you're listening to. Its IPX6 - rated water - resistant face panel and user - friendly controls can withstand sun, salt, and moisture. Key features include a marine digital media receiver, a white LCD display with blue back - lit illumination, a weather band, and water - proof, conformal coated circuit boards. It has a peak power of 240 watts, a 3' round mounting hole, and a gauge - style chassis. In the box, you'll find the MGR300B stereo head unit, a silicone cover, mounting hardware, and an owner's manual. It's available in black, has auxiliary and RCA inputs/outputs, Bluetooth connectivity, and a cover. Dimensions are 6'H x 6'W x 7'L and it weighs 1.95 lbs. UPC: 791489132534.

Using your Boss Audio MGR300B marine stereo is easy. First, install it using the included mounting hardware into a standard gauge opening. Connect your power source and then you can start tuning in to your favorite AM/FM radio stations or connect a compatible device via the rear USB or Aux input. For Bluetooth, simply pair your device as you would with any other Bluetooth device. When using it, avoid exposing it to excessive water pressure, even though it has a water - resistant face panel. Also, keep it away from direct, long - term sunlight to prevent damage to the display. For maintenance, clean the face panel with a soft, dry cloth. If you notice any issues, refer to the owner's manual for troubleshooting. Make sure to store the stereo in a dry place when not in use to extend its lifespan.