DK-7A:dynamic drum microphone is suitable for kick drums and recording of low frequency musical instruments.The cardioid polar pattern can effectively avoid unwanted noise and feedback. It also has the capability of handling extreme sound pressure level of up to 145dB. The Zinc-die casting housing, the brazing wired mesh are spray painted. adopts a standard XLR (male) connector and the standard thread 5/8" or 3/8", which can be easily assembled with different kinds of microphone stands. Element: Moving Coil Dynamic Polar Pattern: Uni-directional Frequency Response: 50Hz-15kHz Sensitivity: -55dB±3dB(0dB=1V/Pa at 1kHz) Output Impedance: 400Ω±30%(at 1kHz)