Highlights: Power and Processing: 7-channel amplifier 140 watts per channel into 8 ohms (20-20,000 Hz) at .08% THD, with 2 channels driven Dolby® and DTS® surround sound decoding Dolby Atmos® processing for use with in-ceiling or "height" speakers for more enveloping home theater sound DTS:X for an immersive, 3-dimensional soundstage (available via summer 2016 firmware update) THX Select2 Plus certified for uncompromised home theater sound AccuEQ automatic speaker calibration optimizes your system's sound for your room (microphone included) Digital and Streaming Music Options: built-in Wi-Fi for listening to music from a networked PC, free Internet radio, and music services includes support for Pandora, Spotify, SiriusXM, Slacker®, TuneIn, and Deezer (subscription required for some services) built-in Bluetooth for wireless music streaming from a compatible smartphone, tablet, or computer Apple AirPlay for streaming music from an iPhone®, iPad®, iPod touch®, or computer running iTunes DLNA-certified for streaming music with compatible devices and computers plays high-resolution digital music files via USB storage device or a networked computer PCM files up to 24-bit/192kHz resolution; DSD files up to 5.6 MHz Multi-room Audio/Video: three-room/three-source output powered stereo audio outputs for 2nd room Zone 2 HDMI output allows you to watch different video content simultaneously on two TVs using powered 2nd-room output allows 5.2 home theater in main room line-level 2nd- and 3rd-room outputs for use with a separate amplifier or powered speakers output in 3rd room requires the use of separate amplifier or powered speakers only players connected to the AUDIO IN jack by analog connection can be played in Zone 3 Audio Performance Features: high-current amplifier design for accurate sound custom toroidal transformer for powerful, dynamic sound with minimal distortion Pure Direct Analog Path disengages all digital circuitry for clean playback of analog sources 32-bit/384kHz Asahi Kasei AKM4458 digital-to-analog converter for clear sound from digital sources Music Optimizer function enhances the sound quality of compressed music files and Bluetooth streams bi-amp capability with compatible front speakers by reassigning "surround back" channels Connections: HDMI 2.0a audio/video switching: 8 in, 2 out (includes front-panel input) HDCP 2.2 technology ensures compatibility with 4K Ultra HD sources and TVs (HDMI inputs 1-5, and monitor outputs only) HDR-compatible for extended picture contrast and brightness with compatible 4K TVs and HDR-encoded content component video switching: 2 in, 1 out composite video switching: 3 in, 1 out digital audio inputs: 3 optical and 2 coaxial 8 analog stereo audio inputs phono input for direct connection of a turntable 7.2-channel preamp outputs for connection to a separate power amplifier rear-panel USB port for audio playback from USB storage devices Ethernet port for network connection outputs for 11 speakers (Front L/R, Center, Surround L/R, Surround Back L/R, Height L/R, Zone 2 L/R) receiver can power a maximum of seven channels at once RS 232, IR, and 12-volt trigger connections for use with external controllers General Features: free Onkyo remote app lets you use your Apple or Android™ device as a Wi-Fi remote 4K/60p and 3D video pass-through HDMI standby pass-through allows access to all HDMI connected devices without having to power on the receiver Audio Return Channel function receives digital audio signals from a compatible TV's tuner via HDMI Phase-Matching Bass Boost optimizes low frequencies to preserve clarity with vocals and movie dialogue 40 AM/FM presets remote control 17-1/8"W x 7-15/16"H x 18-1/16"D (10-1/4"H with Wi-Fi antennas raised) weight: 39.7 lbs. warranty: 2 years Our 60-day money-back guarantee MFR # TX-RZ900