Model H7020
Behind-the-Head style with noise shielded microphone.
Backed by our exceptional customer service policy.
Quality-made in the U.S.A. 
NRR | NOISE ATTENUATION DATA - MODEL H7020 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 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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Sandown Wireless
P.O. Box 564
East Hampstead, NH 03826
Toll Free: 866-379-8437
Tel: 603-974-0725
Fax: 603-887-2117
