“Will the eARC DOLBY ATMOS audio or any other audio output work from HDMI 2 slot with an HDMI 2.1 cable into an older AV Receiver from 2007 that has HDMI ARC and would that HDMI cable be connect to the HDMI INPUT or output on the older AV Receiver.”

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• If you connect the eARC port on the LG NanoCell 90 Series 4K 65 inch Class Smart UHD NanoCell TV w/ AI ThinQ® (64.5'' Diag), Model # 65SM9000PUA to an AV amp or soundbar that is only compatible with HDMI ARC, it's likely you'll get a sound but the bandwidth restrictions of ARC will mean you won't be able to experience the high bitrate audio that eARC can provide. The difference between ARC and eARC is its bandwidth. The enhanced version of the Audio Return Channel has a much higher bandwidth than its predecessor. Bandwidth represents the range of frequencies or amount of data that transfers at the same time...^IFV

  Answered by LG Digital Customer Care 5 years ago

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