ok i hooked up my amp(RF punch x500.2) and my right channel isnt working right so i take a look at it and i notice that the screw is missing for my right gain......my question is can i just buy new screws to put in the gains or do i have to find the exact same amp and take them out of it?
forgot to ask on the inside of my amp there are 2 small crosshair shaped blue and white plastic pieces that can turn too a certain angle is this another type of gain of some sort or??