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| Model H6040 |
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| Behind-the-Head style with boom mounted electret microphone. |
| Backed by our exceptional customer service policy. |
Quality-made in the U.S.A.  |
NRR | NOISE ATTENUATION DATA - MODEL H6040 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Frequency (Hz) | 125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 | |
| Attenuation (dB) | 18.3 | 23.3 | 30.9 | 35.3 | 36.3 | 42.9 | 43.2 | 42.3 | 41.4 | |
| Standard Deviation | 3.7 | 3.7 | 3.9 | 4.4 | 2.8 | 3.1 | 3.1 | 2.7 | 3.9 | |
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