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3M™ E-A-Rfit™ Dual-Ear 1/4-20 to 5/8-27 Speaker Stand Adaptor

Designed to attach the 3M™ E-A-Rfit™ Enclosure Assembly Speaker to the speaker stand for fit testing purposes.

Manufacturer:  3M™ 7100077868

Catalog No. 19-122-403

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  • For use with 3M™ E-A-Rfit™ Dual-Ear Validation System
  • Adapter has 5/8 in. end to attach to black speaker stand and 1/4 in. end to screw into bottom of speaker
  • For occupational use only


3M™ products must be used in accordance with OSHA regulations, and the user instructions, warnings, and limitations accompanying each product.



E-A-Rfit™ Dual-Ear Validation System
Dual-Ear Speaker Stand Adaptor
Product Certifications


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