Kenwood Marine CD Receiver with AM/FM Tuner with Built-In MOSFET Amplifier, plays CDs, CD-Rs, and CD-RW discs, Features Conformal-Coated PCB Circuit Board & Covered CD Slot Kenwood Marine CD Reciever with USB Interface, Built To Withstand the Rigors of Boating life Plays CDs, CD-Rs, and CD-RW Discs, Including Discs Loaded with MP3 and WMA Music Files Built-in MOSFET Amplifier (22 watts RMS/50 peak x 4 channels) Detachable Face with 1-1/2 Line Display and Variable Illumination Conformal-Coated PCB Circuit Board Covered CD Slot, USB Port, and Auxiliary Inputs