The Bogen MGN19A is a push-button, omni-directional, dynamic microphone designed for quality sound installations. The microphone is extremely rugged and reliable and is designed to stand up under the most strenuous handling conditions to provide years of dependable service. A smooth wide band frequency response with intentional boost above 1.5kHz gives a natural, crisp, highly intelligible sound. The microphone is furnished with a 18.15" fully flexible gooseneck and mounting flange.Omni-directional pickup patternRugged, reliable design for quality long-term use under strenuous handling conditions500-ohm impedance +/- 30%@ 1kHzFrequency response range of 70 Hz - 15 kHz