Neumann KM185 Condenser-mikrophone, hypercardioid pattern, Acoustical operating principle: Pressure/Pressure gradient transducer, Frequency range: 20 Hz - 20 kHz, Rated impedance: 50 ohms, Equivalent noise level, A-weighted: 15 dB-A, Maximum SPL: 142 dB, 48 V Supply voltage required, Diameter: 22 mm, Length: 107 mm, Weight: approx. 80 g