Playback up to 5 CDs or music files stored on USB with sound full of dynamics and clarity Fully-opening tray for changing 5 discs at a time. PlayXchange lets you change 4 discs while the 5th one keeps playing Playback music files (MP3, WMA, AAC, WAV, FLAC) via USB port on front-panel. Up to 96kHz/24bit WAV/FLAC RCA and Optical outputs Short signal paths, sophisticated circuitry, intelligent digital servo and laser pickup floating mechanism for high-quality sound