A microphone's output voltage at any given sound pressure level. A more sensitive microphone will sound louder at the same gain setting (the feedback risk being proportionately higher). High sensitivity (condenser microphones) is needed to drive the mixer adequately when far miking quiet sound sources. Sensitivity is commonly given in mV/Pa or dBV (referenced to 1 V/Pa) and measured at 1 kHz. Here are some examples: D 58 0.7 mV/Pa (-63 dBV) D 190 E 1.6 mV/Pa (-56 dBV) C 1000 S 6.0 mV/Pa (-44 dBV) C 535 EB 7.0 mV/Pa (-43 dBV) C 480 B comb ULS/61 20.0 mV/Pa (-34 dBV) C 562 BL 20.0 mV/Pa (-34 dBV).