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Model H3442
Headset/Microphone
     

H3442 Headset
  • Designed to be worn under helmets or safety caps.
  • Microphone: M-7A Electret(nominal 50 ohm).
  • Exclusive, patented flex/wire boom for easy, precise microphone placement.
  • Rotates 200°for left or right sideplacement.
  • Earphone: Lightweight Dynamic(nominal 300 ohm) wired in series.
  • Cord: 4 conductor, 5' Coil.
  • Plug: PJ-051.
  • Microphone on/off button.
  • NRR: 23dB.
Behind-the-Head-Style    

 
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NRR
23 dB

NOISE ATTENUATION DATA - MODEL H3442 w/ Flo-Fit Gel Ear Seals
Frequency (Hz) 125 250 500 1000 2000 3150 4000 6300 8000
Attenuation (dB) 14.0 21.1 31.0 37.1 33.0 35.6 35.6 38.0 36.5
Standard Deviation 2.7 2.7 2.8 2.7 3.3 3.5 3.2 2.9 3.4
     
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