The Model H10-56, designed specifically for helicopter use, has the best noise attenuation with a Certified Noise Reduction Rating of 27 dB.
* Flo-Fit Gel Ear Seals
* Hinged wire boom with the M-101 amplified Dynamic microphone
* Conforms to MIL-M-27291A
* Coil Cord (5′ extended) with U-174/U Plug
* 5-Year Guarantee
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