No, I only stream from my NAS.
The Eero app shows a strong connection to the Muso (via the TP Link extender), and as I said earlier the Muso is seen by Plex and other apps that use Chromecast, I can stream audio from those apps without any issue, it’s just the Naim environment that has issues with my network set up.
I’ll try to remove the TP Link and connect to the Eero via WIFI again and see if I still get the audio drop outs.
Thanks
That doesn’t quite answer the question. You have a fibre modem, some Eero Mesh devices and a TPlink extender of some sort.
Which of these devices also includes a DHCP server, and which of them have it enabled?
Have you ensured that only one device has its DHCP server running. If more than one is active it will cause problems.
DHCP is set to ‘automatic’ in the Eero’s network settings and assigns the IP number to the various devices in the network (the other settings are Manual IP and Bridge mode).
DHCP is also enabled in the Naim’s web configuration.
I’m not sure about the Fibre modem, I thought that the IP number sequencing and assignment is determined by the Eero Gateway alone. I’m probably still not answering the question 
You fibre modem is also likely to be a DHCP server as well unless you have disabled it.
The link between the Muso and the Eero is probably fine, the hidden backhaul WiFi connection might not be so good however.
If you were getting audio drop outs that’s a good indication the mesh isn’t optimised as much as perhaps it could be, adding more Eero extenders will fill in any coverage holes and importantly ensure a sufficient backhaul link.
With only a single Eero extender it won’t matter but if you choose to add a 3rd or 4th ensure it can support daisychain backhaul such that an extender can act as a backhaul bridge for those Eero extenders further away from the Eero wired router. It may be by default that all extenders will prefer to backhaul directly to the wired Eero router, worth checking if you go that route anyway.
The TP Link extender may well be creating additional interference and channel congestion that may impact the performance of the backhaul on your Eero extenders as well, they’re both juggling the same resources and they are limited to begin with regardless.
Hope you find a working solution, raise a hand if needed!
It’s a fibre ONT, it’s a simple optical to electrical bridge device.
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People tend to use router/modem interchangeably sometimes. 
It’s a alphabet spaghetti most of the time!
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I was thinking the same regarding the backhaul.
One mistake people can make with mesh systems is placing the units too far apart, being mistaken that having the units close to the devices that connect to them is the best option.
Sometimes moving a mesh unit a little further away from the device that connects to it and closer to the ‘master’ can improve matters. It’s a matter of trial and error.
I think I have identified the issue but still can’t fix it.
I have completely removed the TPlink extender and connected the muso to the mesh system via WiFi.
The audio drop outs started again…
Within the eero app I disabled the 5ghz band and it now seems to work fine, no drop outs BUT unfortunately it’s only a trouble shooting feature that lasts for 10 minutes, after that the mesh automatically renonnects the muso to the 5ghz band and the drop outs start again!
I don’t think it’s possible to select bands invidually and therefore to keep the muso on 2.4ghz. What next?
I found the issue explained in the thread MuSo 2 WiFi problems
It appears that the Muso does not accept certain channels on the 5Ghz band that the Eero automatically allocates to the device.
As the Eero does not allow any band separation and/or manual channel allocation I am screwed.
Perhaps if I put another Eero near the Muso and attach it with an ethernet cable I might resolve the issue but why should I have to fork out more money for the poorly designed network element of the Muso? I might have to reintroduce the TP Link or just send the Muso back for a refund.
Thanks to all for the contributions and comments.
I thought Stevesky explained quite nicely why it is, and to me this does not seem to be poor design, in this post in the thread you linked:
I understand that it sucks for you, but maybe the Eero should not assign known-problematic channels without an option to change it
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Was this meant for this thread or the other one about the bluetooth lag?
Ah yes, my bad! i was reading multiple threads at the same time
I’ve deleted my post.
Regarding Wifi channels, if on v4.3 or above the Muso2 now supports the higher band 5GHz channels, so the post that I did ages ago is no longer applicable.
Regards
Steve Harris
Software Director
Naim Audio Ltd.
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Thanks for the clarification, however the Eero keeps assigning channel 149 to the Muso and the audio drop outs are constant. What else could be causing the issue?
Have you tried moving the Wired Eero Router and Eero extender closer together?
The channels the Eero will choose should be determined by channel congestion and channel availability, ideally you want the 2.4 and 5 GHz radios to be set to Auto Channel assignment, that way the Eero can decide for itself what the best channel is based on other RF in your environment.
Channel 149 is in UNII band 3, by default I’d expect your AP to attempt to use a frequency band from UNII-1 which equates to one of channels 36,40,44,48.
The WiFi country code of the Eero’s should be set to GB/UK if it isn’t.
If you are unable to see the mesh backhaul link quality from the controller app, you may find you might see an improvement in mesh stability and performance by adding an additional Eero extender device.
Additionally, this Eero support guide is of help regards setup: https://support.eero.com/hc/en-us/articles/207897393
Ensure the Eero firmware is up to date, it appears the current version is eeroOS: v6.10.0-1627 - Released May 3, 2022
Same for the controller app on iOS or Android and the Muso firmware available from the Naim controller app, in case you haven’t checked all of them yet.
I have checked the backhaul via the WIFI Analyzer app and the signal appears to be strong. I live in a typical modern compact semi-detached house, the two Eeros are not so far apart and all other devices work fine. The app confirms channel 149 for the 5Ghz band and 1 for the 2.4 band.
All softwares are up to date.
I have had to re-introduce the TP Link extender - currently on wifi mode rather than ethernet connection - as it only works at 2.4Ghz, this will at least allow me to listen to music without dropouts and hope that this time the Muso doesn’t disappear from the Naim app again after a few days.
Thanks
Sounds like you’ve covered the obvious bases I would in your shoes. Hope you find an acceptable outcome. Happy to comment further if it helps.
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