I had this problem early on with my Focusrite Scarlett interface - found that I had to have the input set to stereo (rather than mono) in the Scarlett mixer software...
Hope that helps! Oh, and welcome to the forum!

Bruce


Macbook Pro 2018
2.6 GHz 6-core Intel Core i7, 16 GB RAM
OS Monterey
BIAB for Mac 2022