Yamaha CD-C603A UNIQUE CD LISTENING EXPERIENCE PURE DIRECT The CD C603 offers Pure Direct, which is the same popular feature included in Yamaha amplifiers and receivers. By pressing the button on the front panel or on the remote control, it shuts down the digital audio output and turns off the display. This achieves the lowest possible noise interference and, therefore, the highest sound quality of the analog audio output. A TRULY UNIQUE CD CHANGER Play X Change