My hearing is perfect as is, anything between my ear and noise would just be detrimental.
I really like the IASUS earpieces, if you need to listen to your surroundings, you can take it out and let it dangle by your ear and still hear radio comms. And it didn't bother me through coldfront.
I'm just hoping the black ops 2 is better. They embedded the stupid transponder linking wire IN the silicone. What killed mine is the damn wire kept moving around because it was outside the silicone and it broke.
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