Yamaha YHT-300 5.1-Channel Home Theater System (Discontinued by Manufacturer) Includes the HTR-5540 surround receiver, the NS-AP280A speaker package, and a YST-SW005 55-watt powered subwoofer Receiver offers 75 watts x 5 channels, Dolby Digital, DTS, DTS-ES Matrix 6.1, 4 video inputs and 1 outputs, 2 digital audio inputs, 5.1-channel analog-audio inputs Proprietary surround processing: Quad-Field Cinema DSP, Virtual Cinema DSP, Silent Cinema Speaker package consists of 5 magnetically shielded, 2-way, acoustic-suspension speakers with 3-inch woofers and .5-inch dome tweeters Subwoofer uses Advanced-YST Active Servo for expanded bass response and a 6.5-inch driver