- 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