Variable Pattern Condenser Microphone.Operating Principle: Externally-biased condenser.Polar Pattern: Continuously variable.Frequency Response: 20Hz to 20KHz.Sensitivity: -36dBV (16mV) @ 1 Pa.Impedance: 200 ohms Max SPL:143dB, 1% THD, attenuator engaged.Self Noise: 11dBA. Hi-pass Filter: 100Hz, 6dB/oct. Attenuator: 10dB.Power Requirements: P24,P48,8mA.Studio Vocals, Voice-over, Choir, Orchestra, Acoustic Instrument, Guitar Cabinets, Bass Cabinets, Strings, Piano, Cymbals/Overheads.