All-In-One NMEA 2000 Stereo Color ScreenFeatures:NMEA 2000 protocolAM/FM/WB/RDSUSB inputAUX input3.5" color screen (KAPPRV515 only)2 ohm stable4 Zones (Front, Rear, Sub, Secondary Zone)Remote compatibilityDSP Control matched up to Milennia Pro ampsBass, Mid, Treble adjustmentText notificationWARNING: 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.