How to connect MiC 96k or Jam 96k to USB-C equipped Mac
First, some background information:
MiC 96k and Jam 96k use a proprietary connector called Hirose.
Both products would have come with a Hirose to USB-A cable (picture below).
This cable allows MiC 96K and Jam 96K to be connected to any USB-A-equipped Mac.

Hirose to USB-A cable available on Apogee Webstore (US Only) or Amazon
To connect MiC 96K and Jam 96K to USB-C equipped Mac, use the cable above in combination with Apple's USB to USB-C adapter (picture below)

Source: https://www.apple.com/shop/product/MJ1M2AM/A/usb-c-to-usb-adapter
Note: The Hirose to Lightning cable will not work in this instance since it's designed specifically for iPhone/iPad that use Lightning connector.