Specification. Microphone-core. Condenser. Polar Pattern. Cardioid. Frequency response. 20Hz-20kHz. Sensitivity. -35.3 dBu at 1kHz (1pa=94dB SPL). Output impedance. 98.7 ohm. Rate Load impedance. not less than 1k ohm. Maximum SPL. 120 dB SPL(1K, THD 0.5%). S/N Ratio. 70 dB-A. Noise level. 20u Vrms. Dynamic Range. 120 dB. Power Requirements. +48V DC phantom power