

They only use extra CPU power, clutter USB ports and are only as good as the DACs, ADCs, headphone and mic they employ. Last but not least, USB headsets are in no way better.
TELEPHONE HEADSET FOR MACBOOK PRO HOW TO
Unfortunately I was not able to find such a product, only a guide on how to make one.



TELEPHONE HEADSET FOR MACBOOK PRO PC
Of course the combined jack on Macbook is analog, of course it accepts mic signals (works with apple and other brand headsets for iPhone, for example) and not just line in signals (you can even plug electric guitar with passive adaptor from iRig) and as Zneak properly points in his question, it would not be too difficult to make an adaptor that splits one headset jack on Macbooks into headphone and mic, which is also great if you want to use some top notch headset like Sennheiser PC 360.
