3M™ E-A-Rfit™ Dual-Ear Validation System helps determine whether workers are receiving adequate protection from their hearing protector by measuring across 7 standard frequencies in under five seconds, providing a detailed report on the noise attenuation performance of earplugs or earmuffs and a pass or fail rating for each individual person based on the employee’s personal attenuation rating.

3M™ PELTOR™ Earmuffs X4/ X5 Probed Test Cushions easily snap into the 3M™ PELTOR™ X-Series X4 and X5 Earmuffs (sold separately) to allow for fit testing with the 3M™ E-A-Rfit™  Dual-Ear Validation System. The complete system issues a pass or fail rating based on the employee’s personal attenuation rating (PAR) when wearing 3M PELTOR X-Series X4 and X5 Earmuffs