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Im not surprised they work well I do a fare amount of gold prospecting had a detector for a while & on breezy / windy days unless you had headphones/plugs on you simply can not hear signals .

Im going to get some , had no idea they where that good especially when using muzzle breaks.

Good writeup , geez they sound bloody interesting my hearing is pretty bad from all the gun fire / noise at work , whats a decent set worth ?