You will not lose the click if you put foam into the ffs. I still get it when I plug my ffs.
You may be able to notch out the feedback if it is at a certain frequency, avoiding the need to use foam. I would try that first along with phase reversing. Both of these can be life savers.
You may be able to notch out the feedback if it is at a certain frequency, avoiding the need to use foam. I would try that first along with phase reversing. Both of these can be life savers.


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