I need to replace mic 1.

I have issues with def mic 1 but 2 is working fine. Is this something I can replace . What would I call the part I would need to fix

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0