Earthworks Audio SR20LS, Condenser microphone for kick drum recording, Polar pattern: Cardioid, Frequency response: 20 - 20,000 Hz, Max. Sound pressure level: 150 dB, Sensitivity: 8 mV / Pa (-42 dBV / Pa), Signal to Noise Ratio: 74 dB A-weighted, Requires 24 - 48 V phantom power, Dimensions (length x diameter): 192 x 22 mm, Weight: 164 g, Includes MC1 standard microphone mount