Power and Processing: 5-channel amplifier 85 watts per channel into 8 ohms (1k Hz) at 0.9% THD, with 2 channels driven Dolby® TrueHD, DTS-HD™ Master Audio, Dolby® Digital Plus, and DTS-HD™ High Resolution Audio Cinema DSP modes Adaptive Dynamic Range Control keeps a lid on explosive sound effects for more discreet late-night listening Silent Cinema for simulated surround sound via standard stereo headphones Digital Music Options: easy iPod integration via front-panel USB Compressed Music Enhancer for better sounding MP3s and other digital music files Audio Performance Features: 192kHz/24-bit Burr-Brown digital-to-analog converters for all channels direct mode switches off unnecessary circuitry to provide cleaner sound Connections: 1080p-compatible HDMI digital video switching (4 in, 1 out) HDMI version 1.4a with support for 3D video, Audio Return Channel, Deep Color, x.v.Color, auto lip-sync, and HDMI-CEC Audio Return Channel function receives digital audio signals from a compatible HDTV's tuner via HDMI component video switching (2 in, 1 out) digital audio inputs: 2 optical and 2 coaxial 3 audio/video inputs (including 1 front-panel) with composite video 2 audio-only inputs no phono input — to connect a turntable you'll need to add a phono preamp 1 front-panel mini-jack audio input for connecting a portable player 1 pair of main speaker outputs