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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?

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


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


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?


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.