Supercardioid Dynamic Microphone.Operating Principle: Moving coil dynamicPolar Pattern: SupercardioidFrequency Response:100Hz to 15KHzSensitivity:-56dBV (1.6mV) @ 1 Pa Impedance:310 ohmsBrass, Guitar Cabinets, Bass Cabinets, Snare Drum, Rack/Floor Toms.