Yamaha YHT-360 XM-Ready 5.1-Channel Home Theater System (Black) (Discontinued by Manufacturer) Delivers 720 watts of total power through 5.1 channels Includes four surround speakers with dual three-inch cone woofers and 0.75-inch balanced dome tweeters Center speaker features dual woofers Powerful 120-watt subwoofer Features patented Advanced Active Servo Technology for incredible bass