Model H10-56
Helicopter Headsets (Passive)
Maximum Noise Attenuation for Extremely Noisy Helicopters.The H10-56 is our quietest passive noise-attenuating helicopter headset with built-in comfort.
- Super-soft head pad
- Larger, yet lighter, 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
- Molded cords made to exceptional pull and flex standards.
- 5-Year Warranty, Made in USA
- 5-foot extended coil cord with U-174/U single plug
- FAA TSO Approved C-139
- Exceeds RTCA/DO-214 Standards
- Weight (without cord assembly): 20 oz.
- Certified Noise Reduction Rating - 27 dB
Available in two different configurations:
H10-56 (NSN 5965-01-330-4042)
 H10-56N
 Models have a 5-foot extended coil cord and a single plug.
| Noise Attenuation Data | ||||||||||
| NRR 27 dB | 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 | |
 
						


