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Answered

no sound for era 300 as rears with xbox series x

  • February 25, 2025
  • 4 replies
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Hi, I recently replaced my One SL rears with era 300 and when using xbox series x in games, no sound comes from the rear era 300s.  Is this a bug? I can confirm audio testing setup through the xbox audio setup provides sound, as does the dolby atmos app, but when I play games they have no sound.  Setup is arc soundbar, a pair of era 300 rear, eARC enabled on hdmi 2.1, tv is a new Samsung s90d with earc enabled. Pass-through enabled on xbox (same issue though when not enabled as I recall pass-through is only for apps anyway, and not games). Sonos app shows audio source as Dolby Atmos on the room screen. Xbox, sonos, and tv firmware all up to date via autocheck. Had no issues with the One SLs when they were used to produce rear sound. Any help?

Best answer by GuitarSuperstar

Is the Digital Output Audio Format setting on the TV set to Pass-Through or Auto? Are you playing a game that is compatible with Dolby Atmos or is the Xbox just upmixing it to a fake Dolby Atmos?

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4 replies

If you use the 5.1 or 7.1 uncompressed setting on the Xbox, does it make any difference?


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  • Author
  • Contributor I
  • February 26, 2025

It does, but at 5.1 multi-channel . I want the Atmos sound experience.


  • Lead Maestro
  • Answer
  • February 26, 2025

Is the Digital Output Audio Format setting on the TV set to Pass-Through or Auto? Are you playing a game that is compatible with Dolby Atmos or is the Xbox just upmixing it to a fake Dolby Atmos?


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  • Author
  • Contributor I
  • February 26, 2025

Thank you, I researched the audio formatting on the select game and found it was not atmos mixed (Destiny 2), and when I tried a few other games that were atmos mixed (COD BO6 and diablo 4) the rear eras worked. Thank you!  Appreciate the help.