Since HDMI ports are of various versions and specs, soundbars should be conencted to eARC ports, and consoles to the port ...
HDMI 2.0 is fine for streaming and 4K60; HDMI 2.1 is required for 4K120 gaming. If you game on PS5/Xbox Series X, use HDMI 2.1 (both consoles include a 2.1 cable). HDMI 2.1 improves audio (eARC, Dolby ...