What is the main noise protecting component in an earmuff?
I just bought an earmuff but the inner sponge is very easily moved out of place if pushed, and now I can touch the inner plastic wall of the earmuff.
Is this earmuff compromised or is it the plastic cup that does the protecting?
I just bought an earmuff but the inner sponge is very easily moved out of place if pushed, and now I can touch the inner plastic wall of the earmuff.
Is this earmuff compromised or is it the plastic cup that does the protecting?