Shure 55SH II

Impedance Microphone rating impedance is 150 ohms (270 ohms actual) for connection to microphone inputs rated at 75 to 300 ohms Sensitivity (at 1 000 Hz) Open Circuit Voltage . . . . . . . . _58.0 dBV/Pa (1.3 mV) 1 Pascal=94 dB SPL Polarity Positive pressure on the diaphragm produces positive voltage on pin 2 relative to pin 3 of the output connector Switch Built_in On/Off switch integral part of swivel mount connector Three pin professional type designed to mate with Cannon XL series Switchcraft A3 (Q.G.) series or equivalent Case Chrome_plated die casting Net Weight 624 grams (22 oz) FASCIA MINI