Contributor I

Question

Arc Ultra + Era 100 Surrounds

302 replies
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Arc Ultra and Era 100’s

Anyone else have this setup and noticing that the Era 100’s as rears are doing less work with the Arc Ultra when compared to the standard Arc? I’m barely noticing any audio coming from the rears even with the surround volume turned up to maximum. I swapped my original Arc back with the Era 100 surrounds and tested the same Atmos movies on the Arc and the Arc Ultra, and there is a significant difference/reduction in the signals being sent to the Era 100’s in the rear channels with the Arc Ultra. Increasing the “TV Level” setting for Surround Audio in the Sonos app increases the front surround volume coming from the Arc Ultra but the signals coming out of the ERA 100 rears are almost non existent.

Is this behavior the result of how the Arc Ultra processes surround channels, and should be considered normal operation?

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Bruceyboylondon

Lyricist II

Yes since last update or 2, ive heard a huge improvement. Well done Sonos on sorting this issue ❤️

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rosinator

Lyricist II

Thanks!

O

ocramb

Lyricist III

Hi Sonos Utra Arc with 100 are great for music but if you are after surround for TV you are in for a surprise especially if you had surround system before.
sorry

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dirkswiss

Lyricist I

Kann Bestätigt werden das man dieses Problem jetzt gelöst hat oder nicht?
Das wäre sehr hilfreich.
Vielen Dank.
Beste Grüsse
Dirk

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rosinator

Lyricist II

Hello, yesterday I added two Era 100s and I don't notice the problems described at the beginning of the topic.
I tested them with multichannel audio and everything sounds fine.

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Bruceyboylondon

Lyricist II

Hello, yesterday I added two Era 100s and I don't notice the problems described at the beginning of the topic.
I tested them with multichannel audio and everything sounds fine.

Yes after some recent updates it’s a huge amount better than it was .

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ocramb

Lyricist III

I am tired of this, there is no control over speakers when on TV surround. This is a SONOS issue they should be solving the problem and commenting

AjTrek1

I am tired of this, there is no control over speakers when on TV surround. This is a SONOS issue they should be solving the problem and commenting

Hmmm…others in this thread seem to be satisfied with the surrounds especially after the update. That said what are you expecting?

Together Everyone Achieves More = T.E.A.M.

M

Maggs

Contributor I

If you go back far enough you can find a host of problems that have been fixed. Seems silly but if you are worried about things that are no longer being reported there are plenty of them.

Hi, Stanley. I purchased my ARC and Gen 3 Sub in Dec of 2024. My wife and I enjoy using it for TV and movie. It provides enhanced vocal clarity, which was one of our requirements. I just ordered two ERA 100s, with the intent to use them as back surround speakers. They haven’t arrived yet. From what I’ve read, ERA 300s are probably a better choice for enhancing surround, but I’m retired and cannot afford the expense. IYO, is a pair of ERA 100s capable of enhancing the surround sound experience or is it more appropriate to expect this from the ERA 300s.

AjTrek1

If you go back far enough you can find a host of problems that have been fixed. Seems silly but if you are worried about things that are no longer being reported there are plenty of them.

Hi, Stanley. I purchased my ARC and Gen 3 Sub in Dec of 2024. My wife and I enjoy using it for TV and movie. It provides enhanced vocal clarity, which was one of our requirements. I just ordered two ERA 100s, with the intent to use them as back surround speakers. They haven’t arrived yet. From what I’ve read, ERA 300s are probably a better choice for enhancing surround, but I’m retired and cannot afford the expense. IYO, is a pair of ERA 100s capable of enhancing the surround sound experience or is it more appropriate to expect this from the ERA 300s.

The Era 300’s are designed to complete the Dolby Atmos experience when used as surrounds with an Arc. That said Era 100’s will enhance the surround experience with an Arc with the exception of Dolby Atmos sound. For all other surround encoded materials the Era 100’s will do an excellent job.

Just as a tutorial:

Arc and Era 300’s = Dolby Atmos from Arc and Era 300’s
Arc and Era 100’s = Dolby Atmos from Arc with enhanced surround from Era 100’s

Together Everyone Achieves More = T.E.A.M.

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Arc Ultra and Era 100’s

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