LG C9 eARC pass through not working with Powernode (2021)

Answered

Dmytro Saviuk

• May 23, 2022 15:44

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?

1

• Official comment

  

  Mark T.

  Sr. Support Crew Member

  • May 25, 2022 12:34

  Hi Dmytro,
  
  I'm escalating your request to a support ticket in order for our support team to investigate.
  
  Thanks for #LivingHiFi
• 

  Jonathan Anderson

  • February 04, 2023 22:40

  I may have the same / similar issue and add information to it.

  I am using an LG C9 with eARC to powernode.

  It seems to work well mostly.

  There is one annoying issue. When using amazon prime app on to stream video, with sound out to powernode it works good until amazon switches episode. The sound then goes from good sound to screeching vibrating noise. Pressing up / down volume on the tv returns the sound to normal. Would be great if you could help troubleshoot what the issues is. Is it the powernode, the tv or the amazon app? Kindly, Jonathan

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