“HDMI 2 and HDMI 4 are HDMI 2.1 ports and HDMI 3 is a HDMI eARC port. According to the articles ive seen eARC is HDMI 2.1. So is HDMI port 3, which is the eARC port also 2.1 compliant?”

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• Verified specifications indicate HDMI inputs 3 and 4 are version 2.1. HDMI input 3 is eARC. ^Daphane

  Answered by LG Digital Customer Care 5 years ago

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