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I've just added a roam to my setup.  It works great, but I've noticed the dolby atmos isn't appearing when listening to music that used to show it. Is there any reason for this?

Based on your profile, I see that you have an Arc. If you are playing Dolby Atmos audio through the Arc and you group a non-Atmos speaker with it (like the Roam), the audio will not play as Dolby Atmos anymore.


Hi. Yes there is a reason. The Arc and Beam gen 2 are the only Sonos speakers capable of processing Dolby Atmos.

Even if the Roam could process the data, a small mono speaker could not produce Dolby Atmos effects