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Avid Contributor I
Feb 5, 2025 7:39 PM UTC
Answered

Why doesn't Sonos allow an Arc to be used as a Center Channel only along with two AMPs and a powered sub?

I have some nice Front L/R speakers along with some in-ceiling rear speakers.

I went and purchased a Sonos Arc along with the two Sonos Amps and was surprised to find out that the Arc could not be setup as a Center Channel only.  

Seems to me that Sonos missed an opportunity to sell me some more gear.  I returned the ARC and will setup the fronts to produce a “faux” center speaker.

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Grand Maestro
Feb 5, 2025 8:31 PM UTC

Soundbars from all manufacturers are intended to install with minimum boxes and wires, with simple operation. In my opinion soundbars can sound good, but they are not the ultimate. A full setup with lots of speakers and wires can sound better, but there is more setup and operational fuss.

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jgatie
Feb 5, 2025 7:54 PM UTC

Because the Arc is a soundbar, not a center speaker.  No soundbar in the world can be converted to a center speaker, they just aren’t wired that way.

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Grand Maestro
Feb 5, 2025 8:31 PM UTC

Soundbars from all manufacturers are intended to install with minimum boxes and wires, with simple operation. In my opinion soundbars can sound good, but they are not the ultimate. A full setup with lots of speakers and wires can sound better, but there is more setup and operational fuss.

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Enthusiast II
Feb 5, 2025 8:32 PM UTC

I have some nice Front L/R speakers along with some in-ceiling rear speakers.

I went and purchased a Sonos Arc along with the two Sonos Amps and was surprised to find out that the Arc could not be setup as a Center Channel only.  

Seems to me that Sonos missed an opportunity to sell me some more gear.  I returned the ARC and will setup the fronts to produce a “faux” center speaker.

Sonosequencer (iOS app $3) can allegedly do this. It’s unsupported atm so ymmv, but recent leak to the verge show Sonos is likely prepping this for official release possibly with their previously leaked stb. 

See here 

https://old.reddit.com/r/sonos/comments/1i6u7pv/front_lr_speakers_real_51_working_great_with/m8fc5iq/
 

 

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jgatie
Feb 5, 2025 8:43 PM UTC

Sonosequencer (iOS app $3) can allegedly do this. It’s unsupported atm so ymmv, but recent leak to the verge show Sonos is likely prepping this for official release possibly with their previously leaked stb. 

See here 

https://old.reddit.com/r/sonos/comments/1i6u7pv/front_lr_speakers_real_51_working_great_with/m8fc5iq/
 

 

 

I highly doubt Sonosequencr can rewire the hardware/firmware to stop the L//R channels from playing on the soundbar.  

 

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Enthusiast II
Feb 5, 2025 9:21 PM UTC

It’s not rewiring the firmware, Sonosequencer is tapping functionality that is already there in firmware.  
 

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Stanley_4
Grand Maestro
Feb 5, 2025 10:39 PM UTC

It’s not rewiring the firmware, Sonosequencer is tapping functionality that is already there in firmware.  
 

Where did you find this documented? I can find nothing from Sonos on it being built into the firmware.

It might be fun to build a transcoder box that took in 5.1 or Atmos eARC signals, split them out and then resent the soundbar just the center channel sound on all channels.

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Enthusiast II
Feb 5, 2025 11:45 PM UTC

It’s not rewiring the firmware, Sonosequencer is tapping functionality that is already there in firmware.  
 

Where did you find this documented? I can find nothing from Sonos on it being built into the firmware.

It might be fun to build a transcoder box that took in 5.1 or Atmos eARC signals, split them out and then resent the soundbar just the center channel sound on all channels.

It isn’t documented and as mentioned it’s unsupported. See r/reddit and r/sonosequencer for posts on people using this feature. 
 

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