I've now had this just under a day, so not enough time to investigate it completely. But I wanted to mention a simple - yet brilliant - User Experience feature that has made me smile a LOT.
My wife has never really forgiven me for abandoning physical media. She used to have her pile of favourite CDs and would pop one into the CD player when she wanted to listen to some music. She has never taken to playlists on her phone and the need to "cast" music to a specific endpoint just to listen to something. Having tried to explain this to her multiple times, I've also learned to appreciate how non-intuitive it all is if you're not "into tech".
Within an hour of unboxing my Ultra, I discovered - without looking for it - that I could assign a (Tidal) playlist I had made for her to Button Number 1 on the remote control.
Now, all she has to do to listen to her favourite music is pick up the remote and press button number 1. She can skip forward and backward through the playlist and turn the volume up and down all with the other buttons on the remote. And all irrespective of whether the Ultra was on or off - or what input was selected - before she pressed button 1.
It "just works", to coin a phrase.
Absolute genius! Someone in WiiM is really thinking hard about usability.
I've just ordered a WiiM mini to see if I can configure a multi-room setup with the mini driving a Sonos 5 (nobody in the family apart from me ever got on with the Sonos either!). I'll report back on how this works - or if it doesn't - once I know.
Previously, in my main system, I had a Raspberry Pi running a Roon endpoint feeding a MOTU Ultralight 5 which then fed a pair of Hypex monoblocks which drove my Kef Reference 3 Meta speakers.
The speakers cost a lot - and I'm more than willing to spend a lot on my Hifi where necessary. But as far as the electronics are concerned, I just don't think it IS necessary- especially with devices such as this WiiM.
I've replaced the Pi/MOTU with this Ultra - and the Hypex Monoblocks with a pair of Fosi V3 Monos. There has been no reduction in sound quality that I can hear - but the improvement in usability is night and day!
I'm now seriously considering whether I need Roon - given the metadata available in Tidal, and the features and flexibility of the WiiM environment. I haven't made my mind up yet - but the fact I'm considering it has surprised me.