LG C9 has eARC, however it doesn't seem to be compatible with the new Powernode. When connected to Powernode and TV sound out set to Auto or Pass Through, there's only a loud screeching noise. It doesn't happen when the sound out is set to PCM, but that defeats the purpose of eARC, because it starts compressing the audio. Please check the details on this Reddit thread - https://www.reddit.com/r/hometheater/comments/uulmus/streaming_on_lg_c9_earc_bluesound_powernode_3rd/ Is there a chance this could be fixed with a software update?
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