Yamaha YHT-700 5.1-Channel DVD Changer Home Theater System Includes the HTR-5550 surround receiver, DV-C6480 5-disc DVD-Video/DVD-Audio player, the NS-AP480 speaker package, and a YST-SW45 70-watt powered subwoofer Receiver offers 75 watts x 5 channels, Dolby Digital, DTS, DTS-ES Matrix 6.1, 5 video inputs and 2 outputs, 4 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 5 magnetically shielded, 2-way, bass-reflex speakers with 3-inch woofers in rubber surrounds and .5-inch tweeters (120 to 27,000 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: 30 to 200 Hz