maybe better to be asked in the
Band-in-a-Box for Macintosh forum(?)
Just a thought, in case it helps
https://www.pgmusic.com/forums/ubbthreads.php?ubb=postlist&Board=39&page=1

Otherwise I'd guess drivers, drivers & possibly drivers

Quote:
but BiaB for Mac doesn't even give the choice as its geared for the Mac Platform drivers.


Make your sound your own!
.. I do not work here, but the benefits are still awesome