Product Detail Polar pattern - cardioid Frequency Response - 20Hz-20kHz Sensitivity - 7 mV/Pa (-63 dBV) Max. SPL - 130/144 dB SPL Signal/noise ratio (A-weighted) - 75 dB . The "AKG C 535 EB Stage Microphone" is best product for you. We recommended AKG C 535 EB Stage Microphone