Neumann KM184, Small Diaphragm Condenser Microphone, Polar pattern: cardioid, Pressure gradient transducer, Successor of KM 84, Very smooth frequency responses not only for the 0° axis, but also for lateral (off-axis) sound incidence., Frequency response: 20-20000 Hz, Nominal Impedance: 50 Ohm, Rated load impedance: 1000 ohms, Max. output voltage 2540 mV, Weight: 80 g, Diameter: 22 mm, Length: 107 mm, Includes windscreen and SG 21 stand mount swivel