Black Box without Faceplate - NMEA 2000Features:BT4 Audio Streaming50W x 4AM/FM/WB/RDSU.S./European/Japanese TuningSirius/XMNMEA 2000 (Navico, Garmin, Humminbird, Raymarine, etc.)USB inputMade for iPod/iphone (Apple co-processor)Aux Input2 ohm stable4 Zones (Z1, Z2, Z3, Z4 or sub out)Remote compatibility (INFREM1, REM70, MILRF9, JBLMC40)DSP to ensure the optimal listening experienceMore options when KAPMC40 remote is addedWARNING: 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.