| Apache Over-the-Head Earmuff |
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Model #2408
- Cup and damper materials provide excellent co-worker communication
- Extra large, soft ear cushions
- Low headband force
- Ultra light, only 5.9 ounces
- Patent pending, positive hold ear cup positioning
- Incredibly competitive
- Made in USA
Attenuation data
Frequency in Hz |
125 |
250 |
500 |
1000 |
2000 |
3150 |
4000 |
6300 |
8000 |
Mean (dB) Attenuation |
15.4 |
19.2 |
27.8 |
37.3 |
35.0 |
39.2 |
37.2 |
36.5 |
36.6 |
Standard Deviation |
2.7 |
2.4 |
2.3 |
3.0 |
2.5 |
3.1 |
3.0 |
2.4 |
2.6 |
NRR=24dB |
ANSI S3.19-1974 |
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