Yamaha YHT-150 600-Watt 5.1-Channel Home Theater in a Box (Silver) Includes the HTR-5730 A/V receiver, NS-AP1500 speaker package, and a YST-SW010 powered subwoofer Delivers 100 watts x 6 channels, Dolby Digital, DTS, Dolby Pro Logic II, and 24 exclusive Yamaha surround effects Receiver offers 4 A/V inputs, 1 set of DVD-Audio/SACD-ready multichannel audio inputs, A and B speaker outputs, and 40 radio presets 5 magnetically shielded, acoustic-suspension satellite speakers with dual 2.5-inch woofers and .5-inch tweeters 6.5-inch 100-watt powered subwoofer with bass-enhancing QD-Bass (Quatre Dispersion Bass) and Yamaha Advanced Active Servo technologies