Boss Audio Systems Weatherproof Marine Gauge Receiver with Bluetooth, Digital Media MP3 Player, Built-in Amplifier, USB Port & AM/FM Radio

 Specs & Features MGV520B Cutout Diameter: 3" (76 mm) AM/FM Receiver Switchable US & EU Tuner Frequencies Zero Current Draw Memory (Retains Radio Presets, EQ Settings if Battery is Disconnected) IPX6-Rated (Weather-Resistant / Dustproof) Illuminated Soft Touch Buttons Conformal Coated PCB Accessory Button - Turn On/Off Accessories (Lightbars, LED Whips, etc.) 60 Watts × 4 Channel 3'' TFT LCD Color Display Inputs & Outputs     USB Port: Rear Aux-In: Rear A/V Input: Rear Pre-Amp Outputs: Front, Rear & Sub Performance & Controls     Total Power Output: 240 Watts General     Screen Size: 3 " Switchable Tuner Frequencies: USA Tuner Preset: 18 FM Selectable Preset EQ: Yes ID3-Tag Information:  Yes Clock Display: Yes Chassis Type: Gauge Extra Features IPX6-Rated** (Water-Resistant / Dustproof) Zero Current Draw Memory (Radio Preset Memory in case of Battery Disconnect) MGR250B  4 Channel Cutout Diameter: 3" (76 mm) Zero Current Draw