These units will fit in a typical 3″ gauge hole on a console or dashboard. Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low View: 16 32 All Boss Audio MGR300B AM/FM Radio Receiver NOAA Weatherband USB Port Bluetooth Waterproof Gauge Style Marine Stereo $115.95 Add to cart Boss Audio MGR250B Bluetooth USB Waterproof Marine Stereo $90.95 Add to cart Boss Audio MGR350B AM/FM Radio Receiver USB Port Bluetooth Gauge Size 240 Watt Weather Band Waterproof Marine Stereo $117.95 Rated 5.00 out of 5Add to cart Boss Audio MGR450B AM/FM Radio Receiver USB NOAA Weather Band Bluetooth Gauge Size 240 Watt Waterproof Marine Stereo $131.95 Add to cart Boss Audio MGV550B AM/FM Radio Receiver USB Port Bluetooth Gauge Size Waterproof Marine Stereo With Full Color Touch Screen $379.99 Add to cart