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Connect Projector to Arc via AMp

  • September 25, 2024
  • 3 replies
  • 62 views
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Hi, I am looking to connect a projector sitting at the back of my living room to an Arc soundbar mounted on the wall at the front of the room. Originally I was considering running a HDMI cable through the ceiling to connect the eARC port from the projector to the eARC port in the Arc soundbar, but then I was looking at the Sonos AMP and thought that might be an option. The projector i’m looking at has Google TV so I can stream directly from it.

Can someone confirm if the scenario below would work?

Projector connected to the AMP via the HDMI ARC port. AMP connected to the Arc soundbar via wifi. Sound would run from the projector, through the AMP to the Arc soundbar. So I’d be able to transmit the sound from the projector to the soundbar wirelessly with the help of the AMP, saving me a lot of trouble (and cost) with running HDMI through the walls and ceiling. 

 

Would this work? Any drawback/limitation to this I should be aware of? 

 

Best answer by jgatie

No, it won’t work.  The TV source audio for the Arc has to be from the HDMI-ARC port on the projector/TV.  If you set it up the way you wish, the audio will be down-mixed to stereo, with all channels (Fronts, Surrounds, Atmos) coming out of the front speakers of the Arc, and will be delayed at least 75ms, causing lip sync problems.  

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3 replies

jgatie
  • jgatie
  • 27715 replies
  • Answer
  • September 25, 2024

No, it won’t work.  The TV source audio for the Arc has to be from the HDMI-ARC port on the projector/TV.  If you set it up the way you wish, the audio will be down-mixed to stereo, with all channels (Fronts, Surrounds, Atmos) coming out of the front speakers of the Arc, and will be delayed at least 75ms, causing lip sync problems.  

Airgetlam
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  • Airgetlam
    Airgetlam
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    benpink
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  • Prodigy I
  • 1020 replies
  • September 25, 2024

“Originally I was considering running a HDMI cable through the ceiling to connect the eARC port from the projector to the eARC port in the Arc soundbar,”

This would be the best solution. A good HDBaseT transmitter/receiver would work well for your needs.

Airgetlam
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    benpink
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  • benpink
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  • Contributor I
  • 1 reply
  • September 26, 2024

ok thanks for confirming, that’s a pity! back to planning for the HDMI cable routing then… 

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