- Super Soft Head Pad
- New Comfort gel, undercut ear seals
- Flex boom assembly can be adjusted for perfect microphone
placement
- M-7A, the most advanced noise-cancelling microphone
available.
- Superior noise attenuation (NRR 24dB)
- Low-profile volume control knob with detent settings
- 5-year Guarantee
- FAA TSO Approved C57 Cat. B and C58a
- Exceeds RTCA/DO-214 Standards
- Weight (without cord assembly): 19 oz.
H10-21 Coil Cord Version Same as H10-20 except has a coil cord
(5') with dual plugs.
H10-26 For Helicopters Same as H10-20 except has a coil cord (5')
with U-174/U plug
NRR
24 dB
|
NOISE ATTENUATION DATA - MODELS H10-20 and
H10-26 |
|
Frequency (Hz) |
125 |
250 |
500 |
1000 |
2000 |
3000 |
4000 |
6000 |
8000 |
|
Attenuation (dB) |
14.3 |
21.5 |
27.1 |
31.8 |
36.0 |
39.6 |
41.8 |
39.7 |
37.0 |
|
Standard Deviation |
3.3 |
2.4 |
1.5 |
1.6 |
1.3 |
2.1 |
2.1 |
2.0 |
1.3 |
|
|