Onkyo HT-S777CB Home Theater System Designed to deliver outstanding home-theater surround sound yet is simple to install and easy to use 6.1 Channel surround sound features Dolby-Digital EX and DTS-ES outputs 6 Surround Satellite Speakers 220 Watt powered subwoofer with 10 driver 6 Disc DVD Player and changer can also play DVD-R - DVD-RW - CD - CDR - CDRW discs including MP3 CD