You really only have to worry about eARC if your lossless or Atmos tracks come from the TV. Which is unlikely as it will be coming from your gaming machine or bluray player for the foreseeable future.
Besides, Atmos can already be transferred via ARC.
HDMI 2.1 won't be 'needed' for a long time. Even next gen consoles will be stuck on 4K/60 for their lifetime, and that's a long time.
Besides, Atmos can already be transferred via ARC.
HDMI 2.1 won't be 'needed' for a long time. Even next gen consoles will be stuck on 4K/60 for their lifetime, and that's a long time.