E-A-R Classic II, 3M

Review

E-A-R Classic II 3M. Picture 2 earplugsDecibel Chart E-A-R Classic II The 3M E-A-R Classic II earplugs are very similar to the Classic earplugs. The Classic II earplugs feel somewhat stiffer than the Classic earplugs when pressed with two fingers.

Material


Polymer foam

Comparisons of this earplug with other earplugs are available here.

Facts

Name:E-A-R Classic II
Brand:3M

Images

E-A-R Classic II 3M. PackagingE-A-R Classic II 3M. Picture 2 earplugs

Attenuation (Europen Standard)

Attenuation according to measurement standard EN-352-2:2002

More decibel (dB) means more sound protection. More hertz (Hz) means a higher pitch sound.

E-A-R Classic II 3M, attenuation decibel (db) chart, EN-352-2:2002

Overall rating
StandardEN-352-2:2002
SNR28.00
L22.00
M24.00
H30.00
Attenuation by frequency
Hz631252505001000200040008000
dB22.3023.3024.6026.9027.4034.1041.6040.40
SD5.405.303.605.404.803.103.506.40
dB less SD16.9018.0021.0021.5022.6031.0038.1034.00

Source: 3M. E-A-R Classic II Gehörschutzstöpsel - Technisches Datenblatt. Retrieved from http://multimedia.3m.com/mws/media/895927O/3m-e-a-r-classic-ii-gehorschutzstopsel.pdf on 2016-12-18

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