Directional pattern:Cardioid Principle of operation:Pressure gradient Cartridge type:Pre-polarized condenser Frequency range:20 Hz - 20 kHz+/-2 dB, Near field 2-3 cm (0.8 - 1.2'): 100 Hz - 20 kHz (4 - 6 dB soft boost at 15 kHz) Sensitivity:Nominal, +/-3 dB at 1 kHz: 6 mV/Pa; -44 dB re. 1 V/Pa Equivalent noise level:A-weighted: Typ. 26 dB(A) re. 20 MuPa (max. 28 dB(A))ITU-R BS.468-4: Typ. 38 dB (max. 40 dB) S/N ratio:A-weighted, re. 1 kHz at 1 Pa (94 dB SPL): Typ. 68 dB(A) Total harmonic distortion (THD): 60 dB from 50 Hz to 15 kHz with DAD6001-BC XLR Adapter Power supply (for full performance):Min. 5 V to max. 50 V through DPA adapter for wireless systems