Power Supply: 24 VDC (22 V to 26 V)
Microphone Input (1 kHz): -40 dBu
Sensitivity (1 kHz): 48 dB to 60 dB Directory list
Audio output (1 kHz): 20 dBu
Output Impedance: 10 kOhms
Frequency response (+0.2/-4 dBu): 60 Hz-10 kHz
T.H.D Ratio (50 Hz-20 kHz): 0.3% (max:0.5%)