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Jonathanjames
Contributor I
January 27, 2024
Answered

stereo pair out of balance

I have a one and a one sl which I have set up as a stereo pair but the left speaker is louder. 
 

I have tried turning them off and back on, in pairing them, re tuning and yes the left is noticeably louder. 
 

all driver sound like they are working. One is brand new the other a couple of years old. 
 

at a loss now. I have a stereo pair of era 100’s which are in balance. 
 

any other suggestions?

 

thank you 

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Ken_Griffiths
Ken_GriffithsAnswer
January 27, 2024

It maybe best to undertake playback and try toggling/adjusting both Trueplay and EQ settings and then if still no joy, having unpaired/paired the devices, perhaps immediately submit a Sonos system diagnostic report from within the Sonos App, note it’s reference and then contact/chat with Sonos Support Staff via this LINK and see what the Staff can perhaps suggest to resolve the matter. 

They may go onto advise a factory reset of one, or both speakers, (doing just one speaker at a time and adding it back to the system before doing the next speaker) but before doing those tasks, I would speak to Sonos Support Staff first.

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17 replies

AjTrek1
AjTrek1
January 27, 2024

Hi

At this point you have two options I’ll list in order of preference:

  1. Upon the next occurrence of the audio imbalance within 10 minutes run a diagnostic and post the reference ID in your next post. Call Sonos tech support to discuss the findings in the diagnostic.
  2. Break the stereo pair. Factory reset the speaker that isn’t performing as it should. Set up the stereo pair again. If the issue is resolved then all good. Note: A factory reset will erase any information that Sonos might have used for a diagnostic. If the issue isn’t resolved then you are back to square one. Definitely follow the suggestion in one (1) above.
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    Ken_Griffiths
    Ken_GriffithsAnswer
    January 27, 2024

    It maybe best to undertake playback and try toggling/adjusting both Trueplay and EQ settings and then if still no joy, having unpaired/paired the devices, perhaps immediately submit a Sonos system diagnostic report from within the Sonos App, note it’s reference and then contact/chat with Sonos Support Staff via this LINK and see what the Staff can perhaps suggest to resolve the matter. 

    They may go onto advise a factory reset of one, or both speakers, (doing just one speaker at a time and adding it back to the system before doing the next speaker) but before doing those tasks, I would speak to Sonos Support Staff first.

      JonathanjamesAuthor
      Contributor I
      January 27, 2024

      Thanks. I have just submitted the diagnosis. 
       

      1164492206

        Schlumpf
        Schlumpf
        Virtuoso
        January 27, 2024

        @Jonathanjames 

        You can also try to set them up again as stereo but swapping the devices for left and right. This could help to indicate a hardware issue if „the problem“ also changes left and right. 

        Ralf
          Stanley_4
          Stanley_4
          Grand Maestro
          January 28, 2024

          Remember you have to call support to get them to look at the diagnostics, otherwise they just sit in the Sonos file server.

          Sometimes the forum staff can look at one but it isn’t their primary function and they may lack the full set of tools support has.

            JonathanjamesAuthor
            Contributor I
            January 28, 2024

            I swapped them over and re paired and the same speaker now on the right is still louder. I do have another one sl in the post which I will try and see how that works out. 

              Schlumpf
              Schlumpf
              Virtuoso
              January 28, 2024

              I swapped them over and re paired and the same speaker now on the right is still louder. I do have another one sl in the post which I will try and see how that works out. 

              And to do one more test on hardware issue you could set up the speakers each as a single device room and compare them. If the one that sound with a lower level also does so after a reset and new setup as a single device, imo a hardware issue might possible. 
              After running these tests Sonos support would have much more information to help you. 

              Ralf
                JonathanjamesAuthor
                Contributor I
                January 28, 2024

                I have also done that and sure enough the one is still louder. 

                nik9669a
                Senior Virtuoso
                January 28, 2024

                If you turn Trueplay off, with the balance slider set to the centre, is one still louder than the other? If not it would seem to be a Trueplay anomaly. 

                JonathanjamesAuthor
                Contributor I
                January 28, 2024

                Yes tried that and true play on or off is the same unbalanced sound. Both speakers sound fine on their own so must be a software issue?

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