Output Level (at 1 kHz): Open Circuit Voltage: –68.0 dB (0.40 mV) *
Maximum SPL (at 1 kHz): 120 dB
Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3.
Battery Type: 1.5 volt “AA”, more than 1,000 hours battery life (alkaline battery). To replace battery, unscrew and remove cartridge (top portion), replace the old battery with a new battery making sure the positive end is facing the cartridge, then screw the cartridge back on.
Connector: Three-pin professional audio connector (male XLR)