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nassar
Contributor I
May 6, 2025

Downsides to Airplay from apple TV 4K to Sonos Arc Ultra?

Hi everyone, 

This is a very beginner-oriented question, but I have gathered the following: 

  • Airplay 2 only supports stereo output
  • For Dolby Atmos, one needs to use HDMI eARC

My (near future) setup is: 

  • XGIMI Horizon Ultra projector
  • Apple TV 4K
  • Sonos Arc Ultra (only sound output so far)

My question is: in this configuration (i.e. one single output, the Sonos Arc Ultra), what do I lose if it outputs stereo sound, vs. dolby atmos? 

 

The reason behind my question is because I want to keep wiring clutter down to a minimum - and my plan currently is to connect my apple TV to the projector via HDMI, but to attempt to airplay sound to the Arc Ultra (to avoid having an HDMI cable crossing the entire room). 

Thanks in advance for the help, and apologies for the naïve question. 

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14 replies

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nassarAuthor
Contributor I
May 14, 2025

Sorry to bring this back from the dead, but I just saw this news: https://9to5mac.com/2025/05/13/tvos-18-5-just-gave-your-apple-tv-4k-a-new-feature-for-dolby-atmos/

 

Maybe tvOS now actually supports airplay playback for atmos properly? sounds kind of exciting! 

106rallye
106rallye
May 14, 2025

You could try it, but maybe Sonos needs to support this too?

    Airgetlam
    Airgetlam
    May 14, 2025

    I wouldn't think quite yet, Sonos hasn't said in their update notes that they've integrated the latest Apple SDK yet. I’d hope soon, but i dont know where it is in their priority list of things that need to be implemented. 

    Bruce
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