Datasheet

Attenuation Values
3M™ Peltor™ X1A
Frequency (Hz) 63 125 250 500 1000 2000 4000 8000
Mean attenuation (dB) 15.6 11.9 15.4 24.5 34.3 32.8 3 7.4 37.4
Std deviation (dB) 3.6 2.0 2.6 2.6 2.3 3.3 2.5 3.8
Assumed Protection Value (dB) 12.0 9.9 12.8 22.0 31.9 29.5 34.9 33.5
SNR=27 dB H=32 dB M=24 dB L=16 dB
3M™ Peltor™ X2A
Frequency (Hz) 63 125 250 500 1000 2000 4000 8000
Mean attenuation (dB) 19.0 14.1 22.2 31.1 39.7 36.6 3 7.0 37. 9
Std deviation (dB) 4.5 2.2 2.1 2.7 3.2 3.2 3.7 3.4
Assumed Protection Value (dB) 14.5 11.9 20.1 28.4 36.6 33.5 33.3 34.5
SNR=31 dB H=34 dB M=29 dB L=20 dB
3M™ Peltor™ X3A
Frequency (Hz) 63 125 250 500 1000 2000 4000 8000
Mean attenuation (dB) 21.5 22.8 25.1 2 7.0 40.0 35.8 38.5 38.9
Std deviation (dB) 3.0 2.1 3.1 1.7 2.8 2.2 2.7 2.9
Assumed Protection Value (dB) 18.4 20.7 22.0 25.4 37. 2 33.6 35.8 35.9
SNR=33 dB H=35 dB M=30 dB L=25 dB
3M™ Peltor™ X4A
Frequency (Hz) 63 125 250 500 1000 2000 4000 8000
Mean attenuation (dB) 19.6 17. 8 22.1 30.6 39.5 3 7.3 43.8 42.1
Std deviation (dB) 4.1 2.3 2.5 1.8 2.9 4.1 2.8 4.0
Assumed Protection Value (dB) 15.5 15.5 19.6 28.8 36.6 33.2 41.1 38.2
SNR=33 dB H=36 dB M=30 dB L=22 dB
3M™ Peltor™ X5A
Frequency (Hz) 63 125 250 500 1000 2000 4000 8000
Mean attenuation (dB) 23.0 22.3 28.8 39.7 44.2 39.8 43.0 40.2
Std deviation (dB) 3.1 2.4 2.4 2.7 3.4 4.6 2.8 2.9
Assumed Protection Value (dB) 19.8 19.9 26.4 37.0 40.9 35.2 40.2 37. 3
SNR=37 dB H=37 dB M=35 dB L=27 dB
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