Cardioid Condenser Microphone.Operating Principle: Externally-biased condenserPolar Pattern: CardioidFrequency Response: 30Hz to 20KHzSensitivity: -36dBV (16mV) @ 1 PaImpedance: 75 ohmsMax SPL: 130dB, 1% THDSelf Noise: 20dBAHi-pass Filter: 100Hz, 6dB/oct Attenuator: 10dBPower Requirements: P48,3mAStudio Vocals, Voice-over, Choir, Acoustic Instrument.