- The Bogen Model MGN19 is a push-button omni-directional dynamic microphone designedfor quality sound installations- The microphone is extremely rugged and reliable and isdesigned to stand up under the most strenuous handling conditions to provide years of dependable service- A smooth wide band frequency response with a slight intentional presence boost at 2000 Hz gives a natural crisp highly intelligible sound- The microphone is furnished with a 18-3/4 fully flexible gooseneck mounting flange