OK Except for Input / Output Crosstalk
Got this UCA202 to do solo multitracking with an old MacBook and Reaper. It works OK if you're just recording, or just playing back, but not so well if you're doing both at the same time. There's only about 45 to 50 dB of isolation between the input and output.
That means that when recording a new track while playing back previously recorded tracks, the material being played back bleeds into the recording at a level reduced by only -45 to -50 dB. My mix output must peak no higher than about -30 dBfs to stay more-or-less inaudible when recording a new track.
That's a little disappointing as otherwise this is a pretty sweet little interface considering the price. It's surprisingly quiet, and has worked on every computer I've plugged it into.