Type: moving coil dynamicFrequency Response: 50`16, 500HzPolar pattern: Cardioid, Rotationally Symmetrical about microphone axis , uniform with frequency Sensitivity (at 1,000 Hz):-77db*(0.14 mv)*0db= 1V/ubarImpedance: 250Phasing: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3Connector: Three-pin professional audio connector(male XLR type)Case: Metallic enamel-painted die cast metal bodywith hardened, matt-finished steel grille SX-8S: Equipped with Magnetic Reed Switch