If you're looking for a changer and controller, the KDC-C517FM CD changer/controller package is the ticket. It connects to the car's audio system via the car's FM tuner. This 10-disc CD changer plays CD, CD-R, and CD-RW discs with Integrated Quad 1-Bit D/A converters and 8x oversampling. The changer controller has FF, F-Rev, Scan, Random, Repeat, and Play/Pause. The controller has a thin-dash display, dynamic control, 12 transmit channels, and a 10-key grip-type remote.