Features

• Dual-element, dual-microphone assembly for use with 3M™ E-A-Rfit™ Dual-Ear Validation System
• Dual-ear design saves time by testing both ears simultaneously in under five seconds
• Inserts into the back of the 3M™ E-A-Rfit™ Dual-Ear Enclosure Speaker Assembly
• Each dual-element microphone connects to probed test plugs, test pods, or cushions and measures sound pressure levels outside and inside the hearing protector
• Y-connector between right and left microphone denotes distance user should sit from speaker