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I have an Era 300 Stereo pair as an output to a turntable etc via Line In adaptor (with ethernet). The left speaker is connected to the main EE Broadband Smart Hub via ethernet whilst the right speaker has no wired connection.

The problem I get is that the right speaker often drops out. Sometimes this is fixed by a reboot but it literally happens every time I come to use the Line In.  I suspect streaming is OK as both units simply get the stream directly.

I can’t work out a way to stop the right speaker from jumping to other channels or from 2.4GHz to 5GHz or from one hub or node on the network to another.

Has anyone found a solution to this or a way to lock the Era to a certain node or some other solution?

What happens if you disconnect the Ethernet? 

I'd think running one on Ethernet and one on Wi-Fi could be a source of problems.

Same problem. Actually adding the Ethernet has helped slightly. So it does seem to be something to do with how the two speakers communicate. 

Hi ​@DJWHack 

Welcome to the Sonos Community!

Sorry to hear of this issue you are having with one of your stereo pair of Era 300s dropping out when playing.

As discussed, this does sound like a communication problem. As such, it is best to find out what the speakers themselves say about what is going on. I recommend you get in touch with our technical support team who have tools at their disposal that will allow them to give you advice specific to your Sonos system and what it reports.

You may find that our Reducing wireless interference help page will contain the answers, however.

I hope this helps.

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