Which is better HDMI or HDMI ARC?

HDMI ARC is much better than optical because it has a much higher bandwidth thus being able to transfer higher-resolution video and audio. … However, for the absolute best theatre-like audio experience, use HDMI eARC, an enhanced version of the audio return channel that requires an HDMI 2.1 port.

HDMI ARC is much better than optical because it has a much higher bandwidth thus being able to transfer higher-resolution video and audio. … However, for the absolute best theatre-like audio experience, use HDMI eARC, an enhanced version of the audio return channel that requires an HDMI 2.1 port.

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