Description A TRULY UNIQUE CD CHANGER Play X Change allows you to change CD’s while the CD on play will keep playing. Enjoy uninterrupted music while also exchanging your favorite CD’s. In addition, the CD-C603 has a full opening disc tray for changing 5 discs at the same time HIGH QUALITY SOUND The CD-C603 plays music with sound full of dynamics and clarity. There has been further upgrades in the sophisticated internal layout of the CD-C603 making sound quality even better. In addition, not only CDs, it also provides high-quality play of music files (MP3, WMA, AAC, WAV, FLAC) stored on USB memory devices via a USB port on the front panel.