The UA-1X has uncovered a noise issue, which is actually a bug in the Apple Core Audio driver. This issue is fixed in Core Audio in OS 10.3.3.
You may want to try Audacity, a free application, that is known to work with the UA-1X:
http://audacity.sourceforge.net/
You may want to try Audacity, a free application, that is known to work with the UA-1X:
http://audacity.sourceforge.net/