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Helmet-Mounted for Non-Slotted Caps, Passive

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.

Markets: Contractor, Industrial, Oil & Gas, Utilities
Applications: Confined Space, Food Processes, Manufacturing, Public Events, Sanding & Grinding, Steel Smelting Foundries, Working at Heights, Welding

  • For use with MSA non-slotted caps; addition of muffs reduces dieletric class of helmets 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


SoundBlocker 26 for MSA Non-Slotted Caps (dBA 26)


SoundBlocker™ 26 for Defender Industrial Frames (NRR 26 dBA) Discontinued

United States:

Meets ANSI S3.19-1974 and CSA Class A Standards NOTE: Compliance is working on securing and have the actual certs placed.