BANDED EAR PLUGS :
The banded ear plugs has following features :
Frequency HZ | 63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 |
Mean Attenuation DB | 20.2 | 16.7 | 14.7 | 14.5 | 18.6 | 27.2 | 29.8 | 29.5 |
Standard Deviation DB | 7.7 | 5.1 | 3.2 | 3.2 | 4.1 | 3.1 | 3.6 | 6.0 |
SNR= 19dB ; H= 22dB, M= 15dB, L= 13dB |
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