RCA RS2664 5-Disc 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 USB Host & CD ripping-Plug in your mp3 player and record/rip from CD directly to the player without a computer 300 Watts total system power w/Bi-Amp - 2 x 50W @ 8 Ohms, +2 x 100W @6 Ohms, 10% THD 5 CD changer-Neo-5 CD changer allows for simultaneous play and load of 5 CDs Digital AM/FM tuner-allows for best possible station tuning and fast channel changing.