Frequent dropouts with Wiim Ultra in grouped playback (ref#NKGNY8)

Hi! What’s not quite right with Roon?

· None of the above quite fits

None of the above quite fits

· None of these quite match

Tell us what's going on

· I am experiencing frequent dropouts when playing in a group. I have a Wiim Ultra and a Wiim Pro plus. Dropouts occur roughly 10 seconds into a track and Roon skips down several tracks to resume. Happens whether playing a playlist or single album. Problem seems to be with the Ultra.

Tell us about your home network

· AT&T Fiber. Deco wifi. Ultra and Roon minipc run off of ethernet from the Deco

Are the WiiM Ultra and Roon minipc connected to a Deco node or the primary Deco which is connected to your ISP box?

If a Deco node, how’s is this connected to the Primary Deco?

Wiim Utlra is attached to a Deco node via ethernet. Node connects with the main Node & Router via Wifi. Of note, the Pro Plus runs exclusively on wifi. I’ve thought of trying the Ultra on wifi only as well to see if that helps.

Forgot to add, the dropouts do not occur when playing to the device solo. Only in a group. Tried disconnecting the ethernet. No help, still occurs. Wifi signal is excellent on both devices.

Whilst many other services will run fine like this, Roon doesn’t like it.

You’re adding additional hops for Roon. Below is a crude path of the data once you press play in your Roon client device.

Roon Minipc <ethernet> Deco Node <wifi> Primary Deco/Router <wifi> Deco Node <ethernet> WiiM Ultra

The WiiM Pro Plus is via WiFi and could be connected to the primary Deco so will less likely dropout as it has less hops.

You may be lucky to get away with your current setup when using just one of the WiiM’s, but the number of hops and WiFi backhaul is quite possibly the likely culprit here.

Ideally you need to connect the Roon minipc to the primary Deco (router). Ideally you would benefit from using Ethernet for backhaul between the Deco units. Then connect the WiiM’s via Ethernet.

If you can set things up like this, it will mostly likely help.

Roon minipc <ethernet> primary Deco <ethernet backhaul> Deco node <ethernet> WiiM Ultra

I appreciate running Ethernet between the Deco units (if possible, model dependent) is tricky for some and makes the idea of a WiFi mesh system pointless, it’s Roon’s demand on the network here that gives some trouble.

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This fixed the issue. Attached both devices to the same wifi node and so far the problem hasn’t recurred. Would like to eventually hardwire ethernet to the various rooms, but this will do until then. Thanks so much.

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