Sontronics Orpheus, Condenser Microphone, Highly sensitive 1.07 ""dual-diaphragm capsule, Transmission range: 20 Hz - 20 kHz, Sensitivity: 20mV / Pa -34dB ± 2dB (0dB = 1V / Pa 1000Hz), Polar pattern: Omni, Cardioid & Figure 8, Impedance: