Yamaha CDC-697 5-disc CD changer - CDC697 Details: 5-disc carousel design PlayXchange disc mechanism plays CDs, CD-Rs and CD-RWs 40-track programming, repeat, and random play CD Text display remote with volume control intro scan IR port for custom installations RS-232C port for third party controllers front-panel headphone jack optical digital output synchro recording with compatible Yamaha tape decks Peak Search finds the loudest portion of the disc for setting the proper recording levels signal-to-noise ratio 106 dB