RCA RS2663 5-Disk CD Changer Bookshelf Audio System (Discontinued by Manufacturer) Mp3, WMA, CD-R and CD-RW compatible-plays mp3, WMA, CD-r and CD-RW audio discs 100 Watts totally system power - 2 x 50W @ 6 Ohms, 10% THD, 1kHz Digital AM/FM tuner with 32 presets allows for best possible station tuning and fast channel changing 5 Disc Carousel changer-Angled carousel tray allows 5 CDs to fit in the space of 3. Simultaneou play &amp; load Cassette player-the single mechanical cassette deck enables easy tape playback 32 stations can be stored in memory for quick future access