Thrilling home theaterThe Onkyo TX-NR575 works with 4K TVs and Blu-ray players to deliver gorgeous Ultra HD picture quality. Immersive Dolby Atmos and DTS:X surround sound are a perfect complement to the lush on-screen images. Convenient wireless music options, multi-room music, and easy app control make this receiver a winner for captivating entertainment at home.Easy wireless music listeningBuilt-in Wi-Fi lets you access the music you have stored on your networked computer so you can easily play tracks from your personal library through the 'NR575. Chromecast built-in (requires a firmware update, available now) lets you use your computer, phone, or tablet to stream music from over 100 audio apps to the receiver.Use the Onkyo Controller app to control streaming from your mobile device. Apple® AirPlay® lets you stream from a compatible iOS® device or from any computer with iTunes®. And Bluetooth adds even more wireless music options.Geared toward great soundOutstanding audio performance is an integral part of the 'NR575's design. A premium 32-bit/384kHz digital-to-analog converter gives you crystal-clear reproduction of music, TV, and movie soundtracks. Dynamic Audio Amplification delivers massive power with low distortion for thrilling movie sound effects. Phase-matching Bass Enhancement lets you enjoy deep, satisfying low frequency effects while vocals and dialogue remain clear.This receiver also decodes high-resolution audio formats. And Onkyo's Music Optimizer improves the sound from compressed audio files and Bluetooth streams, so you get clear, detailed sound no matter how you listen.Music in two roomsThe 'NR575 has outputs for nine speakers, allowing for flexible speaker configurations (but remember, its seven channels can power a maximum of seven speakers at once). If you're happy with 5.2-channel surround sound in your living room, you can use the receiver's powered Zone 2 outputs to connect a pair of speakers for stereo sound in another room.You can also connect a stereo receiver or amplifier through line-level Zone 2 connections and use the 'NR575 as a preamp, for full 7.2-channel surround sound in your home theater and stereo sound in a second room. Use the Onkyo Controller app to control playback in different zones from anywhere in the house.Power and Processing:7-channel amplifier80 watts per channel into 8 ohms (20-20,000 Hz) at .08% THD, with 2 channels drivenDolby® and DTS® surround sound decodingDolby Atmos® processing for use with in-ceiling or "height" speakers for more enveloping surround soundDTS:X™ for an immersive, 3-dimensional soundstageAdvanced AccuEQ automatic speaker calibration optimizes your system's sound for your room (microphone included)new AccuReflex technology aligns phase of upfiring "height" speakers with the sound coming directly from your other speakersDigital and Streaming Music Options:built-in Wi-Fi for listening to music from a networked PC, free internet radio, and music servicesincludes support for Pandora®, Spotify®, TIDAL, Deezer, and TuneIn (subscription required for some services)Chromecast built-in for streaming music from the cloud with compatible mobile apps (via firmware update)built-in Bluetooth for wireless music streaming from a compatible phone, tablet, or computerApple® 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 (PCM-based files up to 24-bit/192kHz resolution)plays DSD files (up to 5.6 MHz) from network and USB storage devicesDTS Play-Fi® available via firmware updateMulti-room Audio:dual-room/dual-source outputpowered stereo audio output for 2nd roomusing powered 2nd-room output allows 5.2-channel home theater in main roomline-level 2nd-room output for use with a separate amplifier or powered speakersAudio Performance Features:high-current amplifier design32-bit/384kHz Asahi Kasei AK4458 digital-to-analog converter for clear sound from digital sourcesMusic Optimizer function enhances the sound quality of compressed music files and Bluetooth streamsbi-amp capability with compatible front speakers by reassigning surround back channelsConnections:HDMI audio/video switching: 6 in, 1 out (includes front-panel input)HDCP 2.2 technology ensures compatibility with 4K Ultra HD sources and TVs (all HDMI inputs and monitor output)HDR-compatible for extended picture contrast and brightness with compatible 4K TVs and HDR-encoded contentsupports HDR 10 and Dolby Vision2 component video inputs2 composite video inputsdigital audio inputs: 2 optical and 1 coaxial6 analog stereo audio inputsphono input for direct connection of a turntablepreamp outputs for 2 powered subwoofersrear-panel USB port for audio playback from USB storage devicesEthernet port for network connectionoutputs for 9 speakers (Front L/R, Center, Surround L/R, Surround Back L/R, Zone 2 L/R)receiver can power a maximum of seven channels at onceGeneral Features:free Onkyo Controller app lets you use your Apple or Android™ device as a Wi-Fi remote4K/60p and 3D video pass-throughHDMI standby pass-through allows access to all HDMI connected devices without having to power on the receiverPhase-Matching Bass optimizes low frequencies to preserve clarity with vocals and movie dialogue40 AM/FM presetsremote control