Datasheet
Attenuation values
Frequency
(Hz)
63 125 250 500 1000 2000 4000 8000
Mf (dB) 15.9 13.8 20.2 30.0 37.7 35.4 34.9 35.8
Sf (dB) 4.6 2.8 2.1 3.2 2.6 3.0 3.0 4.7
APVf (dB) 11.3 11.0 18.1 26.8 35.1 32.4 31.9 31.1
Frequency
(Hz)
63 125 250 500 1000 2000 4000 8000
Mf (dB) 18.9 20.0 24.2 27.4 40.1 36.0 39.7 37.0
Sf (dB) 3.3 2.8 1.7 2.1 3.0 3.0 3.5 3.7
APVf (dB) 15.6 17.2 22.6 25.3 37.1 33.1 36.2 33.3
Frequency
(Hz)
63 125 250 500 1000 2000 4000 8000
Mf (dB) 16.6 16.8 21.8 30.6 40.1 36.7 43.1 41.9
Sf (dB) 3.6 2.5 2.1 1.9 2.3 3.7 2.7 4.7
APVf (dB) 12.9 14.3 19.7 28.7 37.8 32.9 40.4 37.2
Frequency
(Hz)
63 125 250 500 1000 2000 4000 8000
Mf (dB) 20.4 22.0 26.9 38.2 43.5 38.7 41.0 40.4
Sf (dB) 3.3 3.1 2.2 2.8 3.4 4.5 2.5 3.3
APVf (dB) 17.1 18.9 24.7 35.4 40.2 34.2 38.5 37.2
SNR = 30dB H = 33dB M = 28dB L = 19dB
SNR = 32dB H = 34dB M = 30dB L = 24dB
SNR = 32dB H = 36dB M = 30dB L = 21dB
SNR = 36dB H = 36dB M = 34dB L = 26dB
Key:
Mf (dB) = Mean attenuation
Sf (dB) = Standard deviation
APVf (dB) = Assumed Protection Value
3M
™
PELTOR
™
Earmuff X2 (X2P5 helmet mounted)
3M
™
PELTOR
™
Earmuff X3 (X3P5 helmet mounted)
3M
™
PELTOR
™
Earmuff X4 (X4P5, X4P5‑OR helmet mounted)
3M
™
PELTOR
™
Earmuff X5 (X5P5 helmet mounted)