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Contributor I
December 2, 2025
Answered

Sonos Arc Ultra Sound Issue

I wanted to gauge from the community as to whether or not people are experiencing bad sound quality through their arc ultra speakers as I have had two units and both have produced a slightly distorted/fuzzy sound specifically from the right side of the speaker. I don’t know if it’s bad luck or not but wanted to check with others to see if they’re also experiencing this and what they did to fix it?

 

My arc ultra is connected to my Samsung tv through the eARC port with the cable provided and use my Apple TV 4K Gen 1 to watch content. The fuzzy noise is present when watching any kind of media through the Apple TV as well as when I’m streaming music through the Sonos app and even when adding the product to my system through the chime it plays as well as during the trueplay tuning. 

I have even changed the settings on the Samsung tv such that sound is output via pass through rather than automatic

Any help would be much appreciated, I will try get the product replaced but wanted to see if this is a common issue. 

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User117655
Prodigy II
December 2, 2025

I had exactly this issue from the right hand channel of an Arc Ultra too. It was specifically noticeable on the male voice and lower frequency sounds, at lower volumes. It was quite subtle but definitely present.

Support suggested it could be the source and asked for a recording. They listened to it and authorised a replacement.

Using sources that had triggered it to check (radio stream/local NAS) it was not present on the replacement so my conclusion is that it was a fault. I have not noticed the issue since.

Out of interest, a specific source was the BBC's Ed Reardon's Week... Ed's voice seemed to consistently hit the issue for me - not limited to but the start of s16, ep1 for example 🤓.

 

35 replies

Lyricist I
February 4, 2026

I've had the same exact issue and again with right side channels with fuzzy voice. I bought mine in December too, and they've just authorised a replacement, it looks like majority of us having issues have recently purchased the bar, so it seems likely a bad batch / assembly issues! 

Trending Lyricist I
February 4, 2026

Thinking to upgrade ARC ULTRA but seeing issues on community forum made me to rethink.

ARC is perfect even for years. 

May i ask you if any one still issues even many fixes?

 

Thank you

Lyricist III
February 4, 2026

Thinking to upgrade ARC ULTRA but seeing issues on community forum made me to rethink.

ARC is perfect even for years. 

May i ask you if any one still issues even many fixes?

 

Thank you

Hi rksonos,

it appears to be batch related as my replacements with production dates 2511 and 2512 sound pitch perfect! I had the 2511 replaced for the 2512 because it was delivered in a severly banged up box, so I lost confidence. But other than that, the sound was great. So, when you decide to upgrade your Arc just make sure to check the production date. 

Trending Lyricist I
February 5, 2026

Thinking to upgrade ARC ULTRA but seeing issues on community forum made me to rethink.

ARC is perfect even for years. 

May i ask you if any one still issues even many fixes?

 

Thank you

Hi rksonos,

it appears to be batch related as my replacements with production dates 2511 and 2512 sound pitch perfect! I had the 2511 replaced for the 2512 because it was delivered in a severly banged up box, so I lost confidence. But other than that, the sound was great. So, when you decide to upgrade your Arc just make sure to check the production date. 

Hi eme,

Thank you

Beleive batches 2504, 2508 should be the dates to check

Lyricist I
February 9, 2026

At friday i got my replacement. Batch 2506 -> 2509. No distorted sound anymore, no complaints.