Yamaha YHT-900 6.1-Channel DVD-Changer Home Theater System (Discontinued by Manufacturer) Includes the HTR-5560 surround receiver, DV-C6480 5-disc DVD-Video/DVD-Audio player, the NS-AP580 speaker package, and a YST-SW205 150-watt powered subwoofer Receiver offers 75 watts x 5 channels, Yamaha Digital ToP-ART (Total Purity Audio Reproduction Technology), Dolby Digital, DTS, DTS-ES Matrix 6.1, 5 video inputs and 2 outputs, 5 digital-audio inputs and 1 output, and 40-station AM/FM presets DVD player reads high-resolution DVD-Audio discs as well as CD-Rs and MP3-encoded discs and offers progressive-scan outputs for film-like images on HD-ready TVs, Dolby Digital/DTS decoding, DCDi processing by Faroudja, and 3:2 pulldown detection Speaker package consists of 6 magnetically shielded, 2-way, acoustic-suspension speakers built to handle high-bandwidth DVD-Audio signals (80 to 32,000 Hz, +/- 3 dB) Subwoofer uses Advanced-YST Active Servo for expanded bass response, an 8-inch spruce cone driver, and offers a continuously variable crossover (50 to 150 Hz); frequency response: 23 to 170 Hz