Samsung HT-Q45 XM Ready Five-Disc DVD Changer Home Theater System (5.1 Channel) (Discontinued by Manufacturer) Home Theater system delivers 800 watts of big audio power through 5.1 channels Unit includes a five-disc progressive scan DVD changer and USB host play for easy portable digital device connectivity XM Radio-ready DVD player supports MP3, WMA, MPEG (video), DivX, JPEG (photo files), and other formats Includes center channel, four satellite speakers, a subwoofer, and universal speaker connectors for a simple set up DVD player measures 16.9 x 3 x 15 inches (WxHxD)