Great question. I was looking for HDMI switching, Dolby Digital Plus and Dolby True support. Additionally the audio bennefits of the Trinnov optimizer EQ.

Trinnov Altitude 16, 271, DSP7200SE front L/R, DSP7200SE HC center, 556 amp for rear surrounds, Magnetar UDP800 universal disc player, REL Acoustics Subwoofer Carbon Special, ROON Nucleus One,
Direct TV satellite box, Xbox One S, Nintendo Switch, Sony XR 77A80J OLED