World Trade Enterprises, Inc.
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.
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
5-year Guarantee
FAA TSO Approved C57 Cat. B and C58a
Exceeds RTCA/DO-214 Standards
Available in two different configurations:
NSN 5965-01-330-4042
Model H10-56N
NRR
27 dB
NOISE ATTENUATION DATA - MODELS H10-56
Frequency (Hz)
125
250
500
1000
2000
3000
4000
6000
8000
Attenuation (dB)
17.6
25.0
30.9
33.9
36.9
38.4
39.0
37.7
35.7
Standard Deviation
1.9
3.0
2.2
1.3
1.5
2.1
2.1
2.5
2.2
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Last modified: 01/04/07
