This is a 7.2-channel model with powerful dynamic amplification, certified by THX. The AV receiver can play through HDMI video, with the latest standards - 4K / 60 FPS, Dolby Vision and complement the picture with Dolby Atmos sound or DTS: X soundtracks. The device also has the full support of Dolby Surround and DTS Neural: X decoders. It is possible to transfer music from mobile devices to the receiver via Chromecast, DTS Play-Fi or even FlareConnect. The Bluetooth and AirPlay technology, for Apple devices, are also here.
The 7.2-channel Onkyo TX-NR676 has built-in Dolby Atmos and DTS: X technologies. There is also support for 4K / 60 FPS video with HDR in Dolby Vision format. The TX-NR676 produces 100 W/channel 4 Ohm, which is not as much as the opponent has in the Onkyo TX-NR686 vs Onkyo TX-NR676 comparison which produces 160 W/channel at 8 Ohm. It is possible to listen to music and streaming audio through the multi-room, which is included in Chromecast, as well as DTS Play-Fi and Spotify Connect. Also in addition to this, there is Bluetooth and wireless technologies from Apple - AirPlay.
The Onkyo TX-NR686 is better receiver in this comparison. Check Onkyo TX-NR686 price