NEEWER Blue Broadcasting And Recording Microphone BM-800 Suit This professional condenser microphone adopts the exacting complete electronic circuit control and gold-plate diaphragm capsule^Element:DIA34Pressure Gradient Transducer^Polar Pattern: Uni-directional^Frequency Response:20Hz-20kHz^Sensitivity:-34dB2dB(0dB=1V/Pa at 1kHz)