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Contributor I
June 29, 2020
Question

Sonos ARC- still muddy Bass

Hi,

I just heard a very bass-heavy song and unfortunately I heard a problem, with very deep bass it sounds like the drivers are at their limit and it sounds like an unclean muddy vibration... No matter if with trueplay or without  , trueplay made it even worse ... With the subwoofer you don't notice this problem.

 With the stereo distribution, one does not always have the impression that something comes from the left or right and with Atmos from the top only minimally.

 The voices sound rather thin and artificial and the adaptation to a 5.1.2 system with the Sub and 2 Play 5 does not work properly either, because the speakers sound very different in tone and you think that it is a completely different system from a different manufacturer  is.

I have a sub, the Arc in front of the TV on the furniture and 2 Play 5 in the back ... Everything at 0 EQ and still the Play 5 sound much warmer and more powerful than the Arc.

 The bass reproduction is not the problem with the Sub, rather the coordination of the Arc with the Play 5.

 With the Arc alone, the bass distorts at a volume of 50% and the bass to 0.

 The best way to notice that distort on Spotify with the song hypnotized by Oliver Kolletzki as well as the bad tuning, also in Atmos films via Netflix where cars drive ... They sound much more real and pleasant on the Play 5 than on the Arc.

 Trueplay was measured with the iPad Air 2, but the bass problem also exists without, just a little less.

 I'm going to make a diagnosis after work tonight.

 I have the feeling that the soundbar is not yet fully developed and has come onto the market too early.

 Does anyone else have such problems?

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    36 replies

    Trending Lyricist I
    July 7, 2020

    I’ve had similar issues.  I don’t believe the Arc integrates well with the rears.  So bad that I just disconnected rears and put them back in a bedroom. The Arc sounds much more coherent by itself.
     

    I also notice the issue with stereo music reproduction.  This is the one aspect of the Arc that drives me crazy,  I know it can sound great with music.  But when almost all of the left and right stereo sound fires directly out the side facing drivers it’s going to sound bad.  There are left and right forward facing drivers, please route sound there Sonos!

    Trending Lyricist I
    July 7, 2020

    …..the side facing woofers should be used primarily for bass support during stereo music playback.

    Paul A
    Retired Sonos Staff
    July 7, 2020

    Hi @pyro225.

    Thanks for the immediate response.

    I would like to share that a topic or a thread is closed if Sonos mods were able to see that there were already more than 1 topic of the same issue from the same member posted on a specific medium like for this instance the Sonos community. However this does not mean that the issue is closed without addressing it. It was possibly closed to avoid possible spam. However, Let me assure you that this topic is not closed unless the issue has been resolved and a message will be posted once issue have been resolved.

    Please let me know if your still have further questions or concerns.

    Thanks,

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    Enthusiast II
    July 7, 2020

    Hi @pyro225.

    Thanks for the immediate response.

    I would like to share that a topic or a thread is closed if Sonos mods were able to see that there were already more than 1 topic of the same issue from the same member posted on a specific medium like for this instance the Sonos community. However this does not mean that the issue is closed without addressing it. It was possibly closed to avoid possible spam. However, Let me assure you that this topic is not closed unless the issue has been resolved and a message will be posted once issue have been resolved.

    Please let me know if your still have further questions or concerns.

    Thanks,

    Thanks Paul - as I think you are aware we are just watching the clock on returns windows 

    Paul A
    Retired Sonos Staff
    July 7, 2020

    Hi @pyro225.

    Yes and thank you for your patience. Our engineers are working hard to get this fixed as soon as they can. 

    We will keep you up to date once this is fixed.

    Please let me know if your still have further questions or concerns.

    Thanks,

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    Trending Lyricist I
    July 8, 2020

    Just setup my ARC and started watching TV. The first thing my wife said was “What is the funny sound”. It sounds like its something wrong in the base. I don’t have a sub so I assume its the same problem. Hopefully there will be a softyware fix otherwise its going back. Way too much money not to sound right.

    Paul A
    Retired Sonos Staff
    July 8, 2020

    Hi @dmlear57.

    Welcome to the Sonos community and thanks for reaching out

    We have already been made aware of this ongoing issue with the Sonos Arc having a muddy sound with the bass sound. 

    Our engineers are working hard to get this fixed as soon as they can. 

    We will keep you up to date once this is fixed.

    Please let me know if your still have further questions or concerns.

    Thanks,

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    mumufcbAuthor
    Contributor I
    July 8, 2020

    Hi @dmlear57.

    Welcome to the Sonos community and thanks for reaching out

    We have already been made aware of this ongoing issue with the Sonos Arc having a muddy sound with the bass sound. 

    Our engineers are working hard to get this fixed as soon as they can. 

    We will keep you up to date once this is fixed.

    Please let me know if your still have further questions or concerns.

    Thanks,

    Thanks for answering, can you tell us if it is a software or hardware problem?

    Paul A
    Retired Sonos Staff
    July 8, 2020

    Hi @mumufcb.

    Thanks for your feedback.

    As of this moment, no information has been cascaded yet from our engineering team since this is still under investigation. Once issue has been determined and a fix has been released, that would be the only way on how can we tell if this is a hardware or software issue.

    Please let me know if you still have further questions or concerns. I am always here to help out.

    Thanks,

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    Trending Lyricist I
    July 8, 2020

    Thank you for the updates @Paul A . I think we all appreciate your updates.  But at this point, I think it would be helpful for someone a bit higher up at Sonos to:

    • State whether or not you have reproduced the reported issues in-house.
    • Assure customers that all return windows and warranties will be extended until you have fixed the issue or acknowledged that you cannot fix the issue.

    Thanks again for your help.