Model H10-56

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

NSN 5965-01-330-4042

NRR
27 dB

NOISE ATTENUATION DATA - MODELS H10-56
Frequency (Hz)125250500100020003000400060008000
Attenuation (dB)17.625.030.933.936.938.439.037.735.7
Standard Deviation1.93.02.21.31.52.12.12.52.2

 
 
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