Jensen Marine MS30RTL AM/FM/USB Compact Waterproof Stereo with auxiliary input and RCA line out 160 watts and USB Input for MP3 devices along with an auxiliary Input and a line out (RCA) Large, daylight readable LCD display with blue backlit controls to offer boaters a user-friendly interface Economical stereo fits a 3 inch Gauge Hole and has UV resistant finishes and corrosion resistant materials Full four channel output (40 watts x4) IPX6 Waterproof rating and FCC/CE certified