ONKYO HT-R680 7.1-CHANNEL HDMI HOME THEATER RECEIVER - NEW CONDITION ** CASH ONLY - Make an offer WRAT (Wide Range Amplifier Technology):This technology uses low-negative-feedback circuit topology for accurate signal reproduction, improved dynamic signal-to-noise ratio, and better delivery of power peaks. H.C.P.S. (High Current Power Supply): The Onkyo HT-R680 is equipped with a H.C.P.S. massive high power transformer. Digital-to-Analog Converters (DACs): This receiver is equipped with 192kHz/24-bit Burr-Brown DACs to decode and playback high-resolution recordings with less jitter and  clearer sound. 32-Bit Processing DSP: The Onkyo AV receiver is equipped with a powerful and highly accurate 32-bit processing DSP (Digital Signal Processor) for better surround sound reproduction. Supported Audio Formats: 2-channel Linear PCM (32-192-kHz, 16/20/24-bit/) Multichannel Linear PCM (7.1-ch, 32-192-kHz, 16/20/24-bit)) Bitstream (DSD, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, DTS, DTS-HD High Resolution Audio, DTS-HD Master Audio) 130 watts x 7 into 6 ohms 1080p-compatible HDMI video switching (4 in, 1 out) HDMI version 1.4a — supports 3D video and Audio Return Channel built-in decoding for DTS-HD Master Audio™, DTS-HD High Resolution Audio™, DTS-HD Express, Dolby® TrueHD, Dolby® Digital Plus, and Dolby® Pro Logic® IIz audio formats 192kHz/24-bit digital-to-analog conversion for all channels four DSP gaming modes, including Rock, Sports, Action, and Role Playing Audyssey Dynamic Volume™ mode keeps listening levels steady to avoid overly loud peaks such as on TV commercials Audyssey Dynamic EQ™ for clearer surround sound at lower volumes Audyssey 2EQ™ auto speaker setup (microphone included) dual zone capable with zone 2 line out AM/FM tuner with 40 station presets 2 coaxial and 2 optical digital audio inputs 4 composite and 2 component video inputs 2 audio-only inputs video output for TV (composite, component, and HDMI) 17-3/16"W x 5-15/16"H x 13-1/4"D