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

  • April 2, 2026
  • 8 replies
  • 74 views

 

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.

8 replies

  • Lyricist I
  • April 2, 2026

Hey! I actually have both. I moved the 100s into a smaller room that has a tv, and the 300s sound fantastic in the living/tv room. I also have a 5 in there as well. Your room is slightly bigger, but it should fill the room nicely. They are very nice and plenty loud. I have two subs as well in that room. I would make sure you have a little space behind your seating to accommodate the spacial atmos. That’s my only issue, my couch is close to the wall, but any space behind your seating should be enough. Hope this helps


Stanley_4
  • Grand Maestro
  • April 2, 2026

The Fives Grouped with the 100s are going to sound very good, less maximum volume than the 300s but that is likely good enough for a secondary set of speakers in a room. If you don't need voice control the SL 100s will save money.

The 300s would be a bit louder but when Grouped with the Fives won't do Atmos, only stereo. The extra ecpense for two more Fives instead might be a better choice.

Edited to add:

Maybe an Amp and some big floor standing speakers if you really need the volume. 

Also if it is just the low end that is weak consider a Sub as an option and stay with two Fives.

 


JCR28
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  • Trending Lyricist I
  • April 2, 2026

What does "improve" mean? Does it mean increasing the volume? Doubling one stereo pair with another doesn't seem like a good solution; there will be too many latency and phasis issues between the two systems. A subwoofer or a subwoofer plus a soundbar would be the best solutions.

Perhaps another solution would be to not broadcast in stereo and to pair the two Five speakers with  ERA100 or ERA300 speakers. This would create a mono group.

 
 
 

 

 
 
 

buzz
  • April 2, 2026

Experiment with vertical and horizontal orientation of the FIVE’s. SONOS deliberately changes the imaging based on orientation.


  • Author
  • Contributor I
  • April 2, 2026

In this case, is it possible to use ERA100 stereo pair speakers as rear speakers?

Accordingly, before that, by separating Sonos five stereo piar and Era 100 stereo pair speakers for different rooms using the app, and then place them in the same room. Will there be a loss of stereo sound?


JCR28
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  • Trending Lyricist I
  • April 2, 2026

In this case, is it possible to use ERA100 stereo pair speakers as rear speakers?

Accordingly, before that, by separating Sonos five stereo piar and Era 100 stereo pair speakers for different rooms using the app, and then place them in the same room. Will there be a loss of stereo sound?

A stereo system consists of two speakers only two,  multiple sources are no longer stereo, but “home cinema”
 


  • Author
  • Contributor I
  • April 2, 2026

Thank you all for the reply.

I think it will help me in my experience.

 


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  • Senior Virtuoso
  • April 2, 2026

In this case, is it possible to use ERA100 stereo pair speakers as rear speakers?

Accordingly, before that, by separating Sonos five stereo piar and Era 100 stereo pair speakers for different rooms using the app, and then place them in the same room. Will there be a loss of stereo sound?

A stereo system consists of two speakers only two,  multiple sources are no longer stereo, but “home cinema”
 

Surely a “home cinema” system is one playing 5.1/7.1 or other cinematic audio signals, rather than multiple speakers playing a stereo source? A room with multiple speakers (single mono or speakers or stereo-pairs) playing the same audio source is simply a multi-speaker system - and not necessarily producing a good, cohesive sound.