Crackling sound when live listening to microphone feed in KVM/QEMU through VirtManager (Windows 10 LTSC guest)

Well, the title basically says it all… There is nothing to add here. Terrible crackling/tearing sound is coming out of your speakers when you listen to your microphone through windows guest’s in-built feature, which does not happen on the host. Renders live audio effect work impossible. How do I fix it?