I bought a SoundBlaster card for four-channel audio for my Mac >10 years ago. It did not work.
Cretive Labs' management clearly had decided to dump Macs, as months of emails with "we're trying to work on driver fixes, but, but, but," rang hollow.
I'm not worthy of your hardware, despite me giving you money? OK. Your choice.
Creative Labs has been dead to me for >10 years, and will remain so. I can get my A/D & D/A converters elsewhere, and I do. I program and use them, actually. And I teach University classes in the subject. Guess what provider never gets a mention.
Any company who gives a paying customer the middle finger deserves animosity, sharing of info with other consumers, and generally, well, eventually being overtaken by a business that provides what consumers pay them for.