CAD Audio 220VP Variable Polar Condenser Boundary Button Microphone, White

Operating Principal: Permanently-Biased Condenser Polar Pattern: Continuously Variable Frequency Response:90Hz - 17KHz Sensitivity:-32d BV / 25m V at 1Pa Impedance:125Ohms Max SPL:120d B Self Noise:24d BA Power Requirements: P12, P24, P48, 4m A Connector:3-pin XLRM-type Polarity: Positive pressure on diaphragm corresponds to positive voltage on pin 2 relative to pin 3 at XLR3M-type connector Finish: Durable matte black urethane RF Immunity: Meets or exceeds EN55103-2, E1, E2, E3 and E4 Certificate: Ro HS Compliant Dimensions (L x Dia):3.35 x 0.78' / 8.5 x 1.98cm Weight:3.9oz / 110.56g