Product Detail Frequency Response, +1/-3 dB: 5 Hz - 30 kHz Polar Pattern: Omnidirectional Sensitivity: 8 mV/Pa (-42 dBV/Pa) Power Requirements: 48V Phantom, 10 mA Output: XLR intended to drive a balanced, transformerless input, Pin2 + . The "Earthworks M30 Measurement Microphone" is best product for you. We recommended Earthworks M30 Measurement Microphone