Dynamic Vocal MicrophoneThe AKG D5S is a supercardioid dynamic microphone. It has been designed specifically as a vocal microphone for rough onstage use. The wide frequency response of the D5S slightly favors the mid-frequency and treble regions to ensures good intelligibility of speech. Specifications Silent power switch on body Polar pattern supercardioid Frequency range 70 Hz to 20 kHz Sensitivity 2.6 mV/Pa (-52 dBV) Max. SPL 147/156 dB SPL (for 1% / 3% THD) Equivalent noise level (IEC 60268-4, A-weighted) 18 dB-A Impedance Recommended load impedance >= 2000 ohms Connector 3-pin XLR Finish matte grayish blue Dimensions length: 185.2 mm (7.3 in.); diameter: 51 mm (2 in.) Net weight 340 g (12 oz.)