I have the same problem with CrossDJ and my Mac.
I would think someone at Tech Support should come up with a fix, yes
Otherwise a waste of $$$. When I bought Cross there was No message regarding problems with the Mac operating system.
If you use the External config headphones work fine, but NO recording' If you use the Dual Stereo ( internal ) Recording works fine, but NO Headphone preview!!
Any Solutions out there???
Best Wishes,
David