Sr5005 7.1 Item description: Power and processing: 100 watts x 7 into 8 ohms (20-20,000 Hz) at 0.08% THD Dolby® TrueHD, DTS-HD™ Master Audio, Dolby® Digital Plus, DTS-HD™ High Resolution Audio, Dolby® Digital EX, DTS-ES™, Pro Logic® IIx, Pro Logic® IIz, SRS Circle Surround II, and DTS Neo:6 decoding Audyssey Laboratories' MultEQ six-point auto setup and room calibration system (microphone included) Audyssey Dynamic Volume mode to keep listening levels steady Audyssey Dynamic EQ™ for fuller sound at lower listening levels M-DAX (Marantz Dynamic Audio eXpander) for better sound with compressed music sources multi-room/multi-source audio powered and line-level stereo audio output for 2nd room (using powered 2nd room stereo output allows 5.1 home theater in main room) Digital Music Options: listen to music from iPod®, iPhone®, or other portable music player through the front-panel USB input SIRIUS satellite radio capable (requires SIRIUS subscription and optional SiriusConnect™ home tuner kit) Bluetooth wireless audio reception when used with supplied adapter Audio Performance Features: Pure Direct mode switches off all unused circuitry for the cleanest possible sound back surround speaker channels re-assignable for bi-amping front left and right speakers 192kHz/24-bit digital-to-analog converters for all channels HDCD decoder for compatible CDs Connections: 1080p-compatible HDMI digital video switching (4 in, 1 out) analog-to-HDMI video upconversion (up to 1080p) HDMI version 1.4a with support for 3D video, Audio Return Channel, Deep Color, x.v.Color, SACD, auto lip-sync, and HDMI-CEC component video switching (3 in, 2 out) digital audio inputs: 4 optical (including 1 front-panel), 2 coaxial digital audio outputs: 1 optical 8 audio/video inputs, including: 1 front-panel input with composite 4 rear-panel inputs with composite video 2 audio-only inputs no phono input 7.1-channel analog audio preamp input 7.1-channel analog audio preamp...