This unit makes noise with out a disc in when its on ,we believe it needs to be lubed . It does play CD as intended .

This Sony CDP-CE375 5 Disc CD Changer Carousel is the perfect addition to any home audio system. With its sleek black design and CD changer capacity of 5, it allows for endless hours of uninterrupted music. The headphone jack and CD changer features make it easy to use and convenient for any music lover.

This ex- chang system has been tested and is guaranteed to work perfectly. It is compatible with CD playable media format and is part of the Sony CDP product line. Upgrade your home audio system with this high-quality CD changer today.