Features
M-1/DC Noise Canceling Amplified Dynamic Microphone Noise Shielded Microphone(Muff) with Momentary PTT(Push-to-Talk) switch, hangs freely ready for periodic use.
Soft Headpad and Ear Seals guarantee exceptional comfort. 25 foot straight cord with (PJ-051) Plug to mate with Series C31-XX Extension Cords Corrosion-proof, chrome plated Headset/Stirrup Assembly Certified Noise Reduction Rating of 26db
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26 dB
|
NOISE ATTENUATION DATA - H3312
|
|
Frequency (Hz)
|
125
|
250
|
500
|
1000
|
2000
|
3000
|
4000
|
6000
|
8000
|
|
Attenuation (dB)
|
22.4
|
25.5
|
30.3
|
33.3
|
34.1
|
39.3
|
39.9
|
38.7
|
38.3
|
|
Standard Deviation
|
3.2
|
3.2
|
3.0
|
2.2
|
2.5
|
2.6
|
2.4
|
2.5
|
3.5
|
