BOSS Audio Systems MCK500WB.6 Marine Boat Stereo Sound System Speaker Package - Single Din Radio Receiver Head Unit, No CD Player, Bluetooth Audio, Two 6.5 Inch Full Range Speakers, Dipole Antenna Marine Receiver & Speaker Package - Weatherproof, Bluetooth Audio, USB, MP3, AM/FM, Aux-in, 6.5 Inch Speakers, Marine Dipole Antenna The BOSS Audio Systems MCK500WB.6 receiver, speakers and dipole antenna package keeps your entertainment alive whether the weather is sunny of wet. The receiver does not have a CD/DVD drive. Turn on the AM/FM radio, hook your smartphone or MP3 player up through the auxiliary input or plug into the USB port for more. Stream music and apps by quickly connecting via Bluetooth. Weatherproofing materials and UV coatings keep your entire system from being damaged from any climate.