The Model H10-56, designed specifically for helicopter use, has the best noise attenuation with a Certified Noise Reduction Rating of 27 dB.
Super Soft Head Pad
New Comfort gel, undercut 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
FAA TSO Approved C57 Cat. B and C58a
Exceeds RTCA/DO-214 Standards
Weight (without cord assembly): 20 oz.