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I'm using Sonos Beam Gen 2 on my PC via HDMI, but the Dolby Atmos sound is too low.

B
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I don't have a TV. I have a laptop, a Sonos Beam Gen 2, and an audio splitter(https://bungpung.com/products/4k-hdmi-earc-audio-adapter?srsltid=AfmBOorVBgo9DDIEh40_UG2sRzUs_0Xh5KGJAMACfUMiSl-KqfZMJHqB). I use the HDMI OUT of my laptop to the HDMI IN of the audio splitter, and the HDMI EARC of the audio splitter to the HDMI EARC of the soundbar. And I use the Dolby Atmos for Home Theater mode to pass through the audio to the soundbar when there is Dolby Atmos content.

The Sonos app displays Dolby Atmos from the HDMI source, and the sound plays well. But one problem is that the volume is too low. When I watch Apple Music Dolby Atmos on the Sonos app, the volume is usually really satisfying at around 15. But when I watch Dolby Atmos on my PC, I have to turn it up to 40-50. I asked Sonos support about this, and they said that they can't help me because they don't officially support connections to PCs, but not to TVs.

I set all the volumes on my PC to 100, but the problem is that the volume control doesn't work because the Dolby Atmos signal is pass-through. There is no way to increase the volume on the PC, as the volume can only be controlled by the soundbar.

Did you find what you were looking for?

2 replies

Airgetlam
  • Airgetlam
  • 42560 replies
  • March 21, 2025

Not sure there is much that can be done, from a Sonos perspective, than what you’re already doing. Sonos plays, essentially, what it is handed. If the Sonos signal received from your splitter isn’t loud enough, I’d suggest reaching out to the company that made it. Obviously, with your PC’s settings at max value, there isn’t anything at that end that can be done, and you’d like to not have to adjust the speaker’s volume every time, which leaves the middle piece of the puzzle. I’d also check with them to see if there is some sort of software/firmware update that may need to be applied to it, and how that process would work. 
 

Sorry there isn’t more I can suggest. At least from a Sonos perspective, you’re doing the right things. 

Bruce
Corry P
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  • Corry P
  • Sonos Staff
  • 8531 replies
  • March 25, 2025

Hi ​@Blue Windy 

Thanks for your post!

I agree with ​@Airgetlam - if you get Atmos reported in the app, you are already doing everything right.

I do find this report a bit strange, however, as I can also get Atmos from my PC to my Arc Ultra, but it is one of the loudest sources I come across - I usually have to turn the volume down to about 10% for games!

I don’t see how this could be anything to do with your direct connection (no TV), but I suppose it is possible. I guess the way to find out would to try it with a TV present, to see if it is any different.

You are using the Dolby Atmos app from the Windows Store, I take it?

I am sorry that I cannot give you any particularly sound advice in this regard, but I can say that I think you should start your search for an answer on your PC - whether in the Sound settings or the Dolby Atmos app, I do not know, but given my own experience with Atmos from a PC, it seem like the best place to look.

One point is that I am using a 40-series nVidia card - if you are using a brand other than nVidia, I suppose that could explain the difference in volume. The Properties page for the audio driver may have some additional options, depending on the brand.

I hope this helps.

 

"Common sense is the collection of prejudices acquired by age eighteen." - Albert Einstein
Airgetlam
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  • Airgetlam
    Airgetlam

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