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expanding my setup questions

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Current setup: Home theater group: -1 arc ultra (e-arc plugged in) -2 era 300s (as surround - 2 gen 4 subs… second group bound to first: Sonos amp (wireless connected) - 2 floor speakers 🔊, 2 era 100s… - one proper full sized sub 

 

but I want more. Although I can do Atmos now with full audio fidelity because the amp is not plugged into e-arc… 

I was thinking about doing two Sonos ceiling speakers connected to a second Sonos amp however I realized it does not support Atmos and so I will not do that… I was also considering (I’m still considering), Purchasing one or two bluesound powernodes, Connecting everything, And then getting two ceiling speakers that have Atmos capability because the power nodes support Atmos

 

Alternatively… What the hell else can I do? The only thing that comes to mind, While maintaining full Atmos fidelity, Is to get a second arc ultra, Connecting it wirelessly to the wireless amp, Placing it in the back… A few prayers… And full Atmos? 
 

I don’t know..

 

Thoughts? 

 

I want more.

 

 

 

 

 

Best answer by jgatie

You can’t have more.  Your Home Theater system -- Arc Ultra, 2 Era 300, 2 Subs is at the limit.  Anything “added” to this will be grouped.  Grouping results in the grouped speakers playing a downmix of all channels (front L/C/R, surround L/R., and Atmos L/R) as stereo, and it will be delayed.  This downmix, no matter where it is played in the room, will mess up any directional cues for the main system, and cause an echo, and is not recommended by Sonos. 

In short. more speakers does not automatically mean better sound.

PS - I don’t know where the Bluesound units are supposed to be in the picture, but they are not compatible with Sonos devices in any way. 

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2 replies

buzz
  • buzz
  • 23916 replies
  • February 3, 2025

If you want full ATMOS support you’ll need ARC ULTRA in the front and ERA 300’s in the rear.

Stanley_4
Airgetlam
2 people like this
  • Stanley_4
    Stanley_4
  • Airgetlam
    Airgetlam
jgatie
  • jgatie
  • 27696 replies
  • Answer
  • February 3, 2025

You can’t have more.  Your Home Theater system -- Arc Ultra, 2 Era 300, 2 Subs is at the limit.  Anything “added” to this will be grouped.  Grouping results in the grouped speakers playing a downmix of all channels (front L/C/R, surround L/R., and Atmos L/R) as stereo, and it will be delayed.  This downmix, no matter where it is played in the room, will mess up any directional cues for the main system, and cause an echo, and is not recommended by Sonos. 

In short. more speakers does not automatically mean better sound.

PS - I don’t know where the Bluesound units are supposed to be in the picture, but they are not compatible with Sonos devices in any way. 

Airgetlam
1 person likes this
  • Airgetlam
    Airgetlam

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