Sound attenuating earcup assembly provided with receivers and contact microphone

摘要

A head gear assembly including first and second sound attenuating earcups and means for supporting the earcups over the ears of a wearer and in which each of said earcups has an earphone therein, one of said earcups has a contact microphone therein and switch means is provided for enabling said contact microphone while disabling the earphone in the cup in which the contact microphone is located.