Never used - moved to Sonos System shortly after buying this receiver 4-5 years ago. Have all documents- original box - remote - Power and Processing: 7-channel amplifier 105 watts per channel into 8 ohms (20-20,000 Hz) at 0.08% THD, with 2 channels driven Dolby® and DTS® surround sound decoding, including Dolby Pro Logic® IIz and DTS Neo:X analog-to-HDMI video upconversion up to 1080p and 4K Audyssey "Gold" speaker calibration and system optimization includes: MultEQ® XT auto setup and room calibration delivers balanced, dynamic sound with enhanced surround performance for as many as eight seating positions (expandable to 32 seating positions with a professional installer) Dynamic Volume anticipates loud sounds to keep volume levels even Dynamic EQ improves dialogue, bass response, and surround channel levels at lower volumes DSX® (Dynamic Surround Expansion) optimizes "front height" or "front width" speakers to create a larger soundstage with more engaging surround effects Digital and Streaming Music Options: Internet-ready for listening to music from a networked PC, free Internet radio, and music services includes support for Spotify, Pandora, and SiriusXM (subscription required for some services) Apple AirPlay for streaming music from an iPhone, iPad, iPod touch® or computer running iTunes plays high-resolution digital music files via USB storage device or a networked computer (up to 24-bit/192kHz resolution) DLNA and Windows® 8 certified for streaming music with compatible devices and computers front-panel USB input gives you a direct digital connection for your iPod for improved sound quality Multi-room Audio: dual-room/dual-source output additional HDMI output for Zone 2 video powered and line-level stereo audio output for 2nd room (using powered 2nd-room output allows 5.1 home theater in main room) amp assign function lets you use surround back speaker outputs for Front Height, Front Wide, Zone 2, Front B, or bi-amping front speakers supports 2nd zone output from digital sources