V4A – 5.1 ch AV receiver with CINEMA DSP 3D, HDMI™ 4-in/1-out, wireless surround. 5.1 Channel powerful surround sound Wi-Fi, Bluetooth®, AirPlay 2, Spotify Connect and MusicCast multi-room audio HDMI™ 4 in/1 out, 8K/60Hz, 4K/120Hz, HDR10+ Dedicated gaming function(ALLM,VRR,QMS,QFT) via FW update Voice control with Alexa and Google Assistant devices. *Availability varies by region MusicCast Surround capable – add MusicCast 20 or MusicCast 50 speakers to create wireless surround sound HD Audio with CINEMA DSP 3D YPAO™ sound optimization