Originally Posted by Albert
You could use the HDMI2 output（for audio only）
No benefit for now? I only have 1080p screen at the moment and when I get 4K screen I’ll upgrade to UHD722.

Originally Posted by Albert
Speaker size and downmixing are for analogue output.
That was my assumption. Thanks for confirming.

861v8, 7200SE L+R, 5200SE C, DSP320 SL+SR, DSW. UHD722. 218.