EarMuffs, SoundBlocker™ for Defender Industrial Frames, Passive, 26 dBA:
The MSA Classic Hearing Protection line offers five helmet-mounted options for slotted and non-slotted MSA caps. The classic line offers lightweight, low-profile cups with various protection levels for low to loud noise worksites. NOTE: The addition of the SoundBlocker™ muff, and drilling of the cap, reduces cap rating to Class C.
For use with MSA non-slotted caps; addition of muffs reduces dieletric class of caps to Class C.
Easy to adjust cups – even with gloves on.
Spring arm design provides proper closure and low pressure.
Easy to remove ear cushions for quick replacement.
Provide excellent attenuation and maximum ear space.
Three distinct wearing positions.
For use with MSA non-slotted full brim hats.
Requires drilling into the helmet to mount the muffs.
The ANSI/ISEA Z89.1 class rating of a drilled helmet is Class C.
Markets: Agriculture, Construction, Mining, Oil & Gas, Water Treatment, Chemical.
Applications: Confined Space, Food Processes, Manufacturing, Sanding & Grinding, Steel Smelting Foundries, Working at Heights, Welding.
Approvals: MSA Soprano Ear Muffs are third-party certified in accordance with ANSI S3.19-1974 and meet CSA Class A.