To remove the grille, first take the mic capsule and the mic grille off from the mic body. Use a pliers to hold firm on the mic capsule by the notches. Unscrew the mic grille and then screw on the replacement mic grille.
You can also refer to this video: https://www.facebook.com/groups/phenyxpro/permalink/1106137623401928
Sep 23, 2024