USB-C Microphone for iPad Pro?

No idea. I have a CA Rainier mic that I have plugged into my MBP. It also worked fine with iPad 2 and iPad Air. I was excited to get my iPad Pro 2020 and ordered an Anker 6-in-1 hub for the USB C. The Rainer doesn’t work on it. If I use headphones on the 3.5 jack, they work, until I plug in the mic, then they do not work either.

Yesterday I went and bought the $70 Apple brand USB/HDMI to USB C dongle. The Rainier still doesn’t work with the iPad Pro. The common element in all these faults is the iPad Pro. I’m really hesitant about buying a mic while the iPad Pro seems (to me) to be the villain in USB mics.