Specification :

Specifications for M601 Dynamic Microphone
Type: Dynamic
Frequency Response: 40 to 15, 000 Hz
Polar Pattern: Unidirectional ( cardioid) , rotationally symmetrical about microphone axis, uniform with frequency.
Sensitivity ( at 1, 000 Hz) : Open Circuit Voltage: -56.0 dBV/ Pa* ( 1.6 mV) * ( 1 Pa = 94 dB SPL)
Impedance: Rated impedance is 150 ohms ( 310 ohms actual) for connection to microphone inputs rated low impedance
Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Connector: Three-pin professional audio connector ( male XLR type)
Case: Dark gray, enamel-painted, die-cast steel with a polycarbonate grille and a stainless steel screen
Dimensions: See User Guide
Net Weight ( without cable) : 284 grams ( 10 oz)