I checked this box to verify it works. Mic level is at 100%.
I just put my old soundblaster Xfi into my new Win11 machine. I didnt like how the sound was played with the onboard sound. I found the mic wasnt working. I switched it back to the onboard sound and the Mic works there. So I have the soundblaster for the playback, and the onboard for the Mic.Might try that.