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1 Sonos speaker out of 6 keeps dropping out

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My kitchen Sonos One SL which worked for 4 years mostly without issue, has just started losing connection to wifi while the other half of the stereo pair (another Sonos One SL) continues to play. Swapping places, changing rooms, even wired over LAN, the problem continues. At times it breaks the app and the entire room they’re in completely drops from the app. Sonos team on X (Twitter) are gracious, even DM me at all hours, but some of the call center techs are argumentative and give me bad troubleshooting advice about this issue. BTW I also have a Sonos Ultimate immersive Set (Arc+Sub3+dual Era 300s) that play without issue on the same WiFi. Any suggestions will be greatly appreciated and welcomed.
Thank you.

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BigAlNYCAnswer

Trending Lyricist II

iPad mini running iPadOS 13.3.1 does not see the Sonos One at all

iPad Air running iPadOS 18.4 not only sees the speaker it allows me to manipulate the audio through AirPlay

last update for 4/5: successfully got stereo pair with sub working. minor adjustments may have helped. Signs point to iOS or Sonos App. Maybe a combination of both.
thanks to everyone for the help and input

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BigAlNYCAuthor

Trending Lyricist II

This is fascinating, attempted to connect Sub3 from the Arc to our problem child. I got the audio cue of a successful pairing (very muted btw) and the sub is not connected to anything. Several attempts to connect have been unsuccessful.

Obviously our posts crossed 😂

If you removed the sub from the Arc it should have given you the option to move it to another room. If not then it wasn’t successfully removed from the Arc. At the very least it should have appeared in the app as “unassigned”. Although my “gut” still suggests it’s still a failing NIC. The Sonos One SL needs to communicate with the Sub via its proprietary 5Ghz band.

The sub eventually was labeled unassigned after several failed attempts to connect to Sonos One. Reconnected back to the Arc without issue and quickly btw. 🧐

BigAlNYCAuthor

Trending Lyricist II

FYI my router is set to SON, otherwise it breaks the connection to other devices ie: AppleTV PS5

this was never an issue before re: Sonos OneSL

BigAlNYCAuthor

Trending Lyricist II

This is fascinating, attempted to connect Sub3 from the Arc to our problem child. I got the audio cue of a successful pairing (very muted btw) and the sub is not connected to anything. Several attempts to connect have been unsuccessful.

Obviously our posts crossed 😂

If you removed the sub from the Arc it should have given you the option to move it to another room. If not then it wasn’t successfully removed from the Arc. At the very least it should have appeared in the app as “unassigned”. Although my “gut” still suggests it’s still a failing NIC. The Sonos One SL needs to communicate with the Sub via its proprietary 5Ghz band.

Another new quirk found! Removing the sub from the Arc prior allowed the Sub connect to the Sonos One…however; the streaming connection dropped immediately after a hour of playing uninterrupted.

update: was able to establish a connection via airplay to the sub and single Sonos one pairing. Stopwatch started 🤞🏽

BigAlNYCAuthor

Trending Lyricist II

Here’s my assessment after several hours of testing and troubleshooting: While logic points to NIC failure, I believe with little doubt that the issue is pairing speakers to either a room or to each other directly. Streaming directly from the Sonos app is wonky as well. But the main issue is the speaker pairing. I’m not about to test with my perfectly working living room setup. But with complete confidence, it’s a software issue not hardware. Sidebar; a single Sonos One paired with the Sub 3 sounded amazing 😻

BigAlNYCAuthor

Trending Lyricist II

Test pairing of “troubled” Sonos One and Sub 3 are 30 mins and going strong. So not the speaker and not the wifi. IMO, it points to only a few scenarios that can be the cause. Especially when this system has worked for years until very recently.

BigAlNYCAuthorAnswer

Trending Lyricist II

iPad mini running iPadOS 13.3.1 does not see the Sonos One at all

iPad Air running iPadOS 18.4 not only sees the speaker it allows me to manipulate the audio through AirPlay

last update for 4/5: successfully got stereo pair with sub working. minor adjustments may have helped. Signs point to iOS or Sonos App. Maybe a combination of both.
thanks to everyone for the help and input

BigAlNYCAuthor

Trending Lyricist II

The drama continues…audio stays playing, speaker drops off the app completely. Only touch volume works, but the stream continues to play uninterrupted. Very curious, very curious indeed.

AjTrek1

The drama continues…audio stays playing, speaker drops off the app completely. Only touch volume works, but the stream continues to play uninterrupted. Very curious, very curious indeed.

Hi again

Are you referring to the same One SL or was it a One? It’s been awhile and I’ve slept since 😂

Together Everyone Achieves More = T.E.A.M.

BigAlNYCAuthor

Trending Lyricist II

Same OneSL

I get pleasantly surprised when it randomly connects and the stereo kicks in. I’m like whoa Nice…then I’m like whatever teaser when it drops again 😒

Ken_Griffiths

Same OneSL

I get pleasantly surprised when it randomly connects and the stereo kicks in. I’m like whoa Nice…then I’m like whatever teaser when it drops again 😒

What is your local network connection setup - are you maybe using unsupported network hardware, perhaps🤔? (eg; WiFi extenders)? I ask because you may have a multicast ‘device discovery’ issue over the LAN. It may explain the earlier audio dropouts of the One SL speaker too.

What is the SNR dB strength of the signal to the speaker (as shown in the Sonos App) assuming it’s using your local WiFi and not SonosNet?

Also what WiFi band/channel & channel-width are you using over any WiFi connection to that (problem) speaker?

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