PRV275 Gauge Style StereoThe all-environment stereo receiver is the perfect stereo accessory to have on your boat to keep the tunes going. Features:Type is all-environment stereo receiverMedia Format(s) BLUETOOTH/ AM-FM/ USB Drives OnlyBluetooth audio streaming with id tagging and album artwork180 watt built in amplifier 4 channels x 45 wattsRear RCA Aux inputsRear USB portAM/FM Radio2.75" LCD color displayRotary Encoder3 pairs RCA preamp outputs including sub outCutout diameter: 3 1/2" roundFace diameter: 4 1/8" roundWired and wireless remote compatible 1 year manufacturer warrantyWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.