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Ikea Symfonisk Lamp Gen2 and Wifi.

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Hi,

I have a Sonos system that consists of IKEA Symfonisk lamp speakers (x5), Sonos One (x2), Play:3 (x2), and a Sub.

I kept my system on version 16.1 (April 2024) until recently, about two months ago. During that time, I didn’t have any issues — everything was working flawlessly.

At the end of January, I acquired two Sonos Roam 2 speakers, and in order to use them, I had to upgrade the system to the latest version. I also enabled auto-updates so that my system stays up to date. I use the Android app and the Sonos desktop app on Mac.

For at least two weeks now (maybe even longer — I didn’t pay close attention at first), I’ve been experiencing major issues when playing music on the IKEA lamp speakers.

Most of the time, I use a local music library hosted on my Synology NAS (same setup as in the past couple of years). I usually listen to playlists with around 250 tracks.

I’ve observed that very often, during playback on the IKEA speakers, tracks are skipped — sometimes one, sometimes multiple — with the message: “Couldn’t play track xyz”. This did not happen before on version 16.1 of the app.

At least once every two days, an IKEA speaker disappears from the list of speakers in the app.

Under Settings → Your System, there is an exclamation mark and a “Not connected” status.

Since I’m a technical person, I’ve gone through the setup: assigned static local IP addresses to all speakers, checked minimum SMB version, etc. However, nothing I’ve tried has made the system stable.

So my question is: what is going on here?

Why are the IKEA Symfonisk lamp speakers dropping from my WLAN?

The IKEA lamp speaker is in a normal wifi network, about 2 m away from the router. Before the update, I never experienced any Wi-Fi issues.

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Stanley_4

Grand Maestro

What channel widths do you have set for the 2.4 and 5 gHz bands?

20 is suggested for the 2.4.

Wi-Fi 6 should be fine to leave enabled, Sonos will negotiate and connect at the proper level

https://support.sonos.com/en-us/article/recommended-settings-for-using-sonos-on-wireless-networks

Mr. T

There appears to be an upsurge in connection complaints recently specifically concerning Symfonisk speakers.

One example from Reddit (moreso the comments) here but you can also find others https://www.reddit.com/r/sonos/comments/1shc9ol/sonos_symfonsik_connects_then_doesnt_show_up/

A

AdriaticSunAuthor

Trending Lyricist I

@Stanley_4

Honestly, I’ve never had to change my router configuration before. Until now, I’ve always used the default or automatic settings.

I’ll try Wi-Fi 6. But since I’ve already made these changes, I’ll first observe whether there is any improvement with the current settings.

Stanley_4

Grand Maestro

Sadly a careful reading of the app and more importantly the firmware release notices doesn't give us any warning about potential new issues that fixes or additions might cause us.

About all we can do is try what has worked for others and see if their solution now is necessary on our systems after the update process.

A bit the same issue with ISP and streaming service changes. Little warning and what was working may not be after.

I'm seeing "it used to work" issues here too, if I find solutions I'll share the issues and fixes. A bit short on time so progress is slow.

Smilja

@AdriaticSun, That’s a good approach. It’s becoming increasingly clear that the home network needs to be reconfigured in order for the Fritzbox/Fritz!Mesh to get along with the Symfonisks. I have no idea what happened or changed all of a sudden.

If the issue remains, your best bet is to phone in to Sonos Support.

»And the world is like an apple whirling silently in space, Like the circles that you find in the windmills of your mind.« (›Windmills Of Your Mind‹ [1967]. Music by Michel Legrand ; English lyrics written by Alan & Marilyn Bergman)

M

Mangoe

Lyricist III

There appears to be an upsurge in connection complaints recently specifically concerning Symfonisk speakers.

One example from Reddit (moreso the comments) here but you can also find others https://www.reddit.com/r/sonos/comments/1shc9ol/sonos_symfonsik_connects_then_doesnt_show_up/

Damn thanks for this link. I have 5 Symfonisk and feel like I have been chasing my tail so to speak trying to figure out WTF is going on with them.

Smilja

@Mangoe, What’s the make / model of your router / WiFi mesh? The issue is circling around a German manufacturer’s networking gear.

»And the world is like an apple whirling silently in space, Like the circles that you find in the windmills of your mind.« (›Windmills Of Your Mind‹ [1967]. Music by Michel Legrand ; English lyrics written by Alan & Marilyn Bergman)

A

AdriaticSunAuthor

Trending Lyricist I

AVM (the manufacturer of FritzBox) recently (5 days ago) released a new FritzOS update from version 8.20 to 8.25. In the release notes, there was a mention of “mesh improvements.”

I already described the changes I made.
After the update, some speakers were connected to the 2.4 GHz network and others to the 5 GHz network. I then forced all devices to reconnect to 2.4 GHz by temporarily disabling the 5 GHz network.

However, the “stickiness” is not working as expected. Some of the IKEA speakers are now on 2.4 GHz, while others are on 5 GHz.

I also disabled auto-channel selection for both networks.

Interestingly, over the past 5 days, I haven’t experienced any interruptions. I’m still observing the system, of course.

My preliminary conclusion is that the new update may have improved connection stability. I might switch back to auto-channel on both networks to see if there are any differences.

So far, it’s working well.

Smilja

@AdriaticSun, As a side note: the company has been sold, it is now called Fritz!

You can try and set 2.4 GHz to 1, 6 or 11, whatever works best.

»And the world is like an apple whirling silently in space, Like the circles that you find in the windmills of your mind.« (›Windmills Of Your Mind‹ [1967]. Music by Michel Legrand ; English lyrics written by Alan & Marilyn Bergman)

Stanley_4

Grand Maestro

I tried auto channel selection and decided it was making channel decisions based on something other than channel utilization at my peak Sonos listening times.

I do much better taking an occasional look at the channels, during my normal hours, and setting based on that.

Doesn't help the neighbors are all set to auto and their gear makes as bad decisions as mine does.

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