Napier Pro 9 Noise Cancelling Hearing Protection

Exclusive, Patented Breakthrough. Effective Noise cancelling technology without Batteries, Electronics, Valves, or any moving parts. Unique patented sound chamber, directs damaging sound away from the ear canal, were they are dumpened, refracted and cancelled. The effect is amazingly clear low level sounds such as speech, but with highly efficient protection from damaging noise levels such as gunfire with over 32 Decibles of noise reduction, evenly across all frequencies. Because the soft comfortable and replaceable ear cuffs seal at the ear but are not inserted into the ear canal, They are vastly more comfortable than sonic, passive or electronic ear plugs. The lightweight unit is barley noticeable when worn and can therefore be used for long periods without discomfort, vitally important when used by instructors, students, beaters, trappers etc.the unit is remarkably light at just 40Grams 1.7 ounces. It can be folded and carried in a shirt pocket. it is completely waterproof.