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4 Messages

Saturday, November 13th, 2021 3:20 AM

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X1, Sonos Arc, and Dolby Atmos

When using an app like Disney Plus through my X1 (AX014ANM) to stream content that uses Dolby Atmos, the X1 seems to only output and support Dolby Digital 5.1 to my Sonos Arc soundbar. 

When I stream the same content through my AppleTV or Roku, the output to my Sonos Arc is Dolby Atmos. 

Does the X1 box support Dolby Atmos or not?  I see conflicting information on many forum posts. If Dolby Atmos is supported, can someone please share the correct Audio setup for the X1?  The audio setup for the X1 seems to have limited options. 

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4.3K Messages

3 years ago

Hello, @Phizbam1 Thanks for reaching out to us on the Xfinity Forums! I hope you are doing well. It looks like the z1 does support Dolby Atmos, however, not every channel supports it. For more information about this have a look at X1 Dolby ATMOS. Please let us know if you have any further questions.

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