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Sonos Arc sound issue

  • November 19, 2025
  • 8 replies
  • 42 views

I have had my Arc for about 2 yrs. Recently we have had to turn up the volume to hear the voices clearly. When we first had it we were at about 24 volume level. Now we are at 34-36. And some of the voices are not very clear. I have even gone in and turned on CC to read what they were saying. Never used to be this bad? Nothing has changed except doing recent updates. Can my ARC really be performing this this bad? I have tried Trueplay many times and get no improvement. I have a lot of money tied up in Sonos. Even thinking of adding 2 era 100 speakers as surrounds. But now i am wondering do i just eat the cost and switch to Bose? Anyone else having sound issues with their Arc?

8 replies

Airgetlam
  • November 19, 2025

I’ve got 2 Arcs, no issues at all. Have you called Sonos Support to discuss it? 
 

In the past, when I had trouble with my PLAYBARS, it turned out to be a firmware update from the TV manufacturer, that turned off Dolby Digital output on the optical port. It probably would have been a long time before that occurred to me, as TV updates are frequently without intervention. 


  • Author
  • Contributor I
  • November 19, 2025

Thanks, good idea. But i am connected to my tv via HDMI, not an optical port.


Stanley_4
  • Lead Maestro
  • November 19, 2025

The TV manufacturers can also update software that impacts HDMI ports.


Airgetlam
  • November 19, 2025

Perhaps you misunderstood my intent with the anecdote. I was encouraging to check everything, don’t make assumptions about where it ‘is’. You could be right, you could be wrong, just be open to all possibilities. To paraphrase another member of this forum, the moment you decide where the issue is, you’re likely to ignore where it actually is occurring. 

In my case, I was convinced it was a Sonos PLAYBAR issue, I’d made no changes to my system. Turns out, someone had, without my knowledge (or theirs, it missed their QA process). There are too many variables in the system to ignore or assume that they haven’t changed. The most valuable thing I did was submit a diagnostic to Sonos, and call them. They were kind enough to point out something I should have seen, only stereo information was coming across the optical connection. 

Given how most ‘smart’ TVs update themselves in the background, without notification, along with other systems (let’s talk virus protection!), in my mind, it’s worth checking everything. In the end, it could be a Sonos issue. But given my lack of it on my two Arcs, it seems like there’s something else going on, and it’s worth that call. 


AjTrek1
  • November 19, 2025

In addition to ​@Airgetlam advice…a few more questions:

1. What is the source of the audio (cable, streaming box or Over the Air)?

2. Does the issue occur for all programing?

3. Have you changed cable or ISP providers?

4. Have you tried a different HDMI cable

 


106rallye
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  • November 20, 2025

Sonos did ad more voice enhancement options recently. Have you tried them?


Triticale
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  • Prominent Collaborator I
  • November 20, 2025

Have you checked if the “night mode” is enabled?

As the “dialogue enhance” mode, the night mode remains active although you turn off the TV, so is still connected the next morning…


Mr. T
  • November 20, 2025

Sonos did ad more voice enhancement options recently. Have you tried them?

The additional speech enhancement options are only available when using the Arc Ultra.