Marantz CC-4300 5 Disc CD changer has multi-read drive plays CDs, CD-RS and CD-RWS. It also features Digital Servo Drive for fast accurate reading and fast track access. Both coaxial and optical outputs are provided for making digital transfers. A 1-Bit Dac with 8 times oversampling preserves audio purity. This unit provides endless combinations of non stop music. Important point, transport is noisy when changing discs, most players are. Also, do not sit anything on top of unit. Large parameter may interfere with transport if something is sitting on top. The original shipping carton is in good condition.