The 3M E-A-Rfit Dual-Ear Validation System assesses the amount of attenuation provided to a user of hearing protection. Ideal for automotive industry.

 • Dual-ear testing
 • Fast, clear accurate results
 • Earmuff testing capability
 • Tests 7 frequencies on both ears simultaneously
 • Seamless software integration
 • Science-based, quantitative testing
 • Compact design
 • Compliant with ANSI/ASA S12.71-2018