Dynamic supercardioid microphone for bass drum and other bass instruments. Specification: Type: Dynamic Dynamic Pattern: Super Cardioid Frequency response (Hz): 20 -10000 Sensitivity (dBV/pa): -64 (0.63mv/pa) Rated Impedance (Ohm) 45: 300 Dimension (mm): Diameter 58x140 Weight (g): 350 Max.SPL (dB): 170dB (THD<=1%1000Hz)