Panasonic 540 Watt 5 Disc Changer 540 Watt High-Output Power 3-way Speaker System with large 6.5" woofers plus an external subwoofer 6-Level Pre-Set EQ (Heavy- Soft- Clear- Disco- Live- and Hall) Multi-format Playback including CD-R- CD-RW- and MP3-CD Music Port Allows Direct Connection of a MP3 Player or Other External Device for Playing or Recording