Wi-Fi answers
Sonos Beam (Gen 2) — smart-home gadget keeps going offline
Why does my Sonos Beam (Gen 2) smart device keeps going offline?
The short answer
Surrounds or a sub drop out mid-film, or the room disappears while grouped. On the WiFiXpert Compatibility Index the Sonos Beam (Gen 2) scores 81/100, and its weakest check is "Works on a guest network" — which is exactly where this problem comes from. Unsupported on guest networks.
We publish what breaks with each router and mesh system, and the setting that fixes it.
| Check | Verdict | Points |
|---|---|---|
| Works on 2.4 GHz | Excellent | 14/14 |
| Works on 5 GHz | Supported | 12/14 |
| Modern Wi-Fi security | Good | 10/12 |
| Happy on mesh Wi-Fi | Very good | 14/16 |
| Works on a guest network | Poor | 3/8 |
| Survives a plug-in extender | Issues possible | 5/8 |
| Doesn't depend on chatty discovery | Significant dependency | 12/16 |
| Easy to fix when it goes wrong | Medium | 11/12 |
The short answer
- Surrounds or a sub drop out mid-film, or the room disappears while grouped.
What our compatibility data shows
- Works on 2.4 GHz: Excellent
- Works on 5 GHz: Supported
- Modern Wi-Fi security: Good
- Happy on mesh Wi-Fi: Very good
- Works on a guest network: Poor
- Survives a plug-in extender: Issues possible
- Doesn't depend on chatty discovery: Significant dependency
- Easy to fix when it goes wrong: Medium
Free fixes, in order
- Run a network cable from the router or a mesh box to the Beam — it is the single best Sonos fix.
- Keep every speaker on one Wi-Fi name.
- Remove any extender making a second name.
- Restart the Beam before the router.
Before you spend anything
- A £10 cable first. Only then consider a mesh box behind the TV.
People also ask
- Does the Sonos Beam (Gen 2) work on mesh Wi-Fi?
- Can I put the Sonos Beam (Gen 2) on a guest network?
- Does the Sonos Beam (Gen 2) need 2.4 GHz?
- Which router works best with the Sonos Beam (Gen 2)?
If you do end up spending money
Only after the free fixes. Nobody pays to appear here, and no shop link changes anything we say.
- Router or mesh known to suit this device
- A single wired connection to the device
Where this comes from
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