JZ Microphones BH3, Large-Diaphragm Condenser Microphone, Diaphragm: 27 mm, Frequency range: 20 Hz - 20 kHz, Polar pattern: Cardioid, Output impedance: 50 ohms, S / N Ratio DIN / IEC 651 A-weighted: 87.5 db-A, Maximum SPL 0.5% THD at 1000 ohms: 134.5 dB, Pad: -5 dB / -10 dB, Requires 48V phantom power, 3-Pin