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Model H3330
     
Model H3330
Over-the-Head style with boom mounted microphone.    

Configurations
 
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NRR
24 dB

 NOISE ATTENUATION DATA - MODEL H3051
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
     
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