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NSN: 4240-01-496-1213
Tasco Blackhawk Multi-Position Earmuffs can be worn over-the-head, under-chin or behind-neck.
- Dielectric, three position earmuff
- 27 NRR over-the-head, 26 NRR under-chin/behind-neck
- Tested at an independent NVLAP accredited laboratory
- Attractive black and silver design
- Soft-Seal ear cushions provide exceptional comfort and fit
- Special foam head pad for all day comfort
- Sculpted headband with molded grips for easy cup adjustment
- Consistent full spectrum attenuation
- Made in the USA
ATTENUATION DATA
Over-the-Head
| Frequency in Hz |
125 |
250 |
500 |
1000 |
2000 |
3150 |
4000 |
6300 |
8000 |
| Mean (dB) Attenuation |
15.4 |
20.7 |
29.3 |
37.3 |
34.1 |
36.5 |
39.6 |
41.6 |
39.0 |
| Standard Deviation |
2.1 |
2.1 |
2.4 |
3.7 |
2.3 |
3.8 |
3.5 |
3.6 |
3.3 |
| NRR=27dB |
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Behind-the-Head
| Frequency in Hz |
125 |
250 |
500 |
1000 |
2000 |
3150 |
4000 |
6300 |
8000 |
| Mean (dB) Attenuation |
19.6 |
24.0 |
34.3 |
40.2 |
38.1 |
35.1 |
34.0 |
33.9 |
34.4 |
| Standard Deviation |
2.5 |
2.8 |
3.4 |
3.2 |
3.4 |
3.4 |
3.1 |
2.8 |
3.2 |
| NRR=26dB |
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Under-the-Chin
| Frequency in Hz |
125 |
250 |
500 |
1000 |
2000 |
3150 |
4000 |
6300 |
8000 |
| Mean (dB) Attenuation |
19.5 |
24.1 |
34.0 |
39.6 |
38.2 |
34.2 |
34.4 |
32.4 |
33.0 |
| Standard Deviation |
2.8 |
2.4 |
2.6 |
3.4 |
3.2 |
3.1 |
3.5 |
2.8 |
3.9 |
| NRR=26dB |
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COLOR: Black
Weight: 1 lbs. |