David Clark MODEL H6030 Over the Head Style (OTH)
-
30 in. straight cord
-
Designed for radio adapter use
-
Flex boom, 280° rotating, for easy, precise microphone placement
-
Foam-filled ear seals for maximum comfort
-
Four-chamber, air-flow pillow head pad
-
Noise Reduction Rating (NRR): 24 dB
-
Noise-shielded M-77 electret microphone for clear communication
-
Rugged construction
Noise Attenuation Data
NRR
24 dB Frequency (Hz) 125 250 500 1000 2000 3150 4000 6300 8000
Attenuation (dB) 14.3 21.5 27.1 31.8 36 39.6 41.8 39.7 37
Standard Deviation 3.3 2.4 1.5 1.6 1.3 2.1 2.1 2 1.3