Heil Sound PR35s, Dynamic Large Diaphragm Microphone, Rubberised surface, Polar pattern: Cardioid, Frequency range: 40 - 18,000 Hz (up - without filter), 80 - 18,000 Hz (down - with filter), Adjustable high-pass filter, 3.81 cm Diameter of the membrane, Max. sound pressure level: 140 dB, With switch, Includes leather carrying case, mount and windscreen