Like Windows, macOS is class-compliant, meaning the C-1U works "out of the box" without any manual downloads.
It is important to first distinguish between the two versions of this microphone, as they have completely different driver and hardware requirements. 1. Behringer C-1U (USB Version) behringer c1 driver
This is the standard studio microphone. It has an (three pins) and requires an external audio interface or mixer to function. It is an analog device. Like Windows, macOS is class-compliant, meaning the C-1U