The David Clark H3440 Headset, Dual Ear Cups is a behind-the-head, dual muff headset, ideal for use under a hard hat or other protective headgear. The headset features a noise-cancelling M-7A amplified electret microphone on a flex-wire boom for "one touch" placement that rotates 200 degrees to the left or right. This headset also features rugged construction, a 36" straight cord, and contoured, undercut "Comfort-Gel" ear seals for a comfortable fit.
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Noise Attenuation Data - Frequency (Hz)
125
250
500
1000
2000
3150
4000
6300
8000
Related Material
David Clark H3440 Headset Parts List
David Clark H3400 Series Feature List
The David Clark H3440 Headset, Dual Ear Cups requires a radio adapter specific to your radio. If you are unsure of the correct adapter for your equipment, please don't hesitate to contact us today.
Noise Attenuation Data - Attenuation (dB)
14
21.1
31
37.1
33
35.6
35.6
38
36.5
Noise Attenuation Data - Standard Deviation
2.7
2.7
2.8
2.7
3.3
3.5
3.2
2.9
3.4
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