USB version was great a few months ago, but now...
I've had this interface for about 3 years now and up until last month I loved it (a 5 star product). The UA Console was easy to use and allowed me track my songs with great flexibility.
However, a couple of months ago there was a firmware upgrade and the UA Console software was re-written and needed re-installing...
First issue was that my virus checker wouldn't allow the new installer to work. Even after explicitly allowing the processes through the firewall, the only way I could install the new software was by temporarily disabling the virus checker. Evidence of poor testing with real-world devices. But not a show-stopper.
However, I then went to track a new song last week and my usual method of recording a dry vocal on LINE1, but then sending LINE1 to AUX1 and applying reverb so that I could also record AUX1 onto a separate wet track in my DAW mysteriously stopped working. After following the support chatbots advice (same advice constantly repeated, despite me telling it had already done it) with it still not working, I raised a support ticket, but I haven't yet had a reply.
I've then also investigated on the web and it appears that the routing options inside the UA Console to allow AUX1 out to the DAW is not available on USB devices!! Net result, a significant degradation of the usability of the device for USB users.
As a result, because of the premium cost of this device and the fact that UA seem to be becoming a less dependable company to deal with (also recently…