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Shnipis
Contributor I
April 2, 2026

Sonos five (stereo pair) with Sonos Era 100 or Sonos Era 300

 

I have two Sonos Five speakers (a stereo pair), and I'd like to improve the stereo sound in my large room (50 sq m). Which is better to add to the system: the Sonos ERA 300 (with Dolby Atmos) (a stereo pair) or the ERA 100 (a stereo pair), and what sound loss might there be? The main speakers will be the Sonos Five.

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MoPac
MoPac
Headliner III
April 2, 2026

 Ok.  So it works when you group two or more Atmos capable rooms you get Atmos in both.  Now I need another two ERA 300 speakers then have a party.

 

Stanley_4
Stanley_4
Grand Maestro
April 2, 2026

The way streaming works different streams usually don't stay in sync if you even get them to start together. They can even end up playing different tracks. Grouping overcomes that by using one speaker to fetch the stream and then share it to the others in the Group.

Two Atmos Pairs, Grouped will play Atmos and in sync. The Atmos effect may be a bit odd as you are sending out two sets of front channels and no rear channels. 

I would love to see a 300 upgrade so you could Pair (or would it be bond?) four of them into a single Room for maximum Atmos effect.

 

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