Try this answer: "Try to squeeze the tiny clips together at the top of the key between your fingernails (or gently with some needle nose pliers maybe). The goal is to make them slightly tighter. They must slightly distort with use. It doesn’t take much, so don’t overdo it!"

Hey guys, I found the fix here https://www.howtogeek.com/670635/how-to-fix-crackly-audio-and-other-mac-sound-problems/ I ran the command: sudo killall coreaudiod and it helped ?