Being a combat veteran I have tinnitus in both ear canals from artillery, weapons fire , I get mind grain headache, these are my go too in that time of need the high pitch hum is quieter from the noise cancelation feature,and when using my axil encore in the public with music playing and able to use sound on feature to still remain frosty ( spot on ) these are great not just for gun range commandos ,these are in my eyes life changing instruments and would highly recommend . Thank those at a...