Heavy duty dynamic gooseneck dual zone omnidirectional microphone designed especially for fixed or gooseneck mounting in quality sound installations. A smooth, wide band frequency response with a slight “presence” boost at 2kHz, gives a natural, crisp, highly intelligible sound. Two DPDT sealed micro switches with color coded buttons for easy identification, permits paging in two areas and an all call feature is obtained by depressing both buttons simultaneously. The AMC105-2-19 is extremely rugged and reliable, and will stand up under the most strenuous handling conditions to provide years of dependable service. Low impedance, wired normally open.