“Why the HDMI arc port is an HDMI 2.1? Why Why? Soundbards and many sound systems do not support HDMI 2.1 yet. The HDMI arc should be a NON HDMI 2.1 port.”

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• HDMI 2.0 is fully backwards compatible with past versions of the High Definition Multimedia Interface. ^Daphane

  Answered by LG Digital Customer Care 4 years ago

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• Justin, that is a problem. If i connect a PS5 or Xbox Series X through the soundbar, the video will be downgraded to 60 fps, due that the soundbar is not HDMI 2.1 compatible. So even connecting a soundbar through the HDMI 2.1 eARC port, i won't get the desired fps. The HDMI (e)ARC should had been either the HDMI 3 or 4 that are non 2.1 ports.

  Answered by Alex 4 years ago

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• HDMI is backwards compatible, so you shouldn't have a problem.

  Answered by Justin 4 years ago

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