Mic doesn't work ingame

Hello!
I've been searching for months for a fix on this topic. I'm a Windows User.
I'm using an SM7b, connected to a mixer, USB interface to PC. I set this mic as standard device, both on the apps and the sound settings. I allowed the App Apex Legends to use my Mic and whenever I'm ingame, it says the mic is being used by Apex. I made an exception for Apex Legends in my Windows Defender and I tried turning the volume up, to see if it might just be too low. Nothing helped so far. I've been having this issue for months and sometimes it's sad that I can't talk to my mates, even though I have a kinda good mic.

Is there anyone with an idea, on why it's not working?
Thanks alot in advance