7.2-channel AV receiver with Zone 2. Dolby Atmos and DTS:X immersive audio 7-in/1-out HDMI with HDCP 2.3 and eARC. All inputs support 4K60; three inputs support 8K60B and 4K120AB. ALLM and VRR for next-gen gaming Dolby Vision, HDR10+, HLG and BT.2020 for state-of-the-art video quality Advanced room calibration: YPAO R.S.C. with multipoint measurement Surround:AI technology automatically optimizes the sound and effects in real-time Wi-Fi, Bluetooth, AirPlay 2, Spotify Connect and MusicCast. Spotify, Apple Music (via AirPlay 2), Amazon Music HD, SiriusXM, TIDAL, Pandora, Deezer and Qobuz. Roon Tested Works with Sonos: seamlessly unites with a Sonos system using a Sonos Port (sold separately) Voice control: Amazon Alexa, Siri (via AirPlay 2) and Google Assistant