STR-DG800Audio Video ReceiverKey Features770 Watts-110 Watts X 7 (8 Ohms 1kHz,THD 0.7%)HDMI™ Passthrough SwitchingXM® Connect and Play™ Ready1Digital Cinema Auto Calibration w/ Mic for easysetupPortable Audio EnhancerVideo Up Conversion to ComponentKey TechnologiesHDMI™ Passthrough Powerful HDMI connectivity allows for uncompressed audio and video to pass throughdirectly to your television.XM® Connect-and-Play™ Ready A World of digital radio is at your fingertips. Connect the optional Connect-and-Play antenna, sign up for XM service and enjoy the variety of digital radio with the superior sound quality of anA/V receiver.1Portable Audio Enhancer Simplified front audio and video connections are part of what makes the STR-DG800ideal for today’s portables. Beyond the simplified connection a powerful Digital Signal Processor is used to expandthe quality from any device that is connected.Digital Cinema Auto Calibration Now the optimal speaker for your living room is only a press of button away.Simply place the included microphone in your listening position and allow the strength of Sony’s Digital SignalProcessing to take over. Speaker placement, distance, and delays are all adjusted automatically to ensure a worryfree listening experience.Digital Cinema Sound Sony’s original Digital Cinema Sound technology uses exclusive DSP technology torecreate the precise environment of three Hollywood Dubbing Stages where your movies are created. True theatersound in the home from the source.Component Video Up Conversion Allows for composite and S-Video sources to be converted to componentvideo output, minimizing the number of connections needed from receiver to your Television set.