3M™ E-A-Rfit Dual-Ear Microphone Assembly, 073-781, assorted

Features

• "Intended for use with the 3M™ E-A-Rfit Dual-Ear Validation System Dual-ear design tests 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"