DESC: Sony's CDX-757MX CD changer holds 10 discs, and features 12-second Advanced Electronic Shock Protection and CD Text (with compatible receiver). This versatile changer plays CDs, CD-Rs, and CD-RWs, as well as recordable discs loaded with MP3 files. Custom File memory lets you name (up to 8 characters) and organize 110 of your favorite discs. Super-fast disc changing means less wait time between tunes.