5.1 channel powerful surround sound 
Bluetooth for wireless connectivity. Rated Output Power (1kHz, 1ch driven) 100W (8 ohms, 0.9% THD); Rated Output Power (20Hz 20kHz, 2ch driven) 70W (8 ohms, 0.09% THD); Maximum Effective Output Power (1kHz, 1ch driven) (Jeita) 145W (6 ohms, 10% THD) 
HDMI 2.1 with HDCP 2.2 (4 in/1 out) 
4K Ultra HD support, HDR10, Dolby vision, hybrid log gamma and BT.2020 
YPAO auto calibration technology for ideal sound, Exclusive Yamaha Cinema DSP technology supports playback of HD Audio (Dolby TrueHD, DTS HD Master Audio, etc.), providing natural and expansive sound imaging 
Providing complete compatibility with the latest HDMI standards, this AV receiver delivers transmission of 4K video at 60 frames/second pass through; It also supports HDR (High Dynamic Range) Video including Dolby Vision and Hybrid Log Gamma which provides incredible contrast, smooth tone and rich, bright colors