"...I originally bought mine to do room measurements via Room Equalisation Wizard..."
Yep, same here.... the Behringer U-Control UCA202, for the exact same reasons too... don't use it now though, I'm presently after one of those BOSS dac's...
Embedded hi-fi music player
https://www.runeaudio.com/forum/
https://www.runeaudio.com/forum/behringer-u-control-uca202-t6035.html