Designed for paging calls and general announcements, the PM-660D desk-top microphone comes with a large talk switch and a lock lever for easy and convenient operation. Its robust anti-vibration construction and balanced output render the microphone resistive to noise. In addition, the PM-660U microphone is equipped with a remote control switch (interlocked with the talk switch) for amplifier power on/off operation or chime activation.
Spec:
Polar Pattern Cardioid
Rated Impedance 600 ohms, Balanced
Output Level -58 dB (1 kHz, 0 dB=1 V/Pa)
Frequency Response 100 Hz-10,000 Hz
Output 5.0, 4-conductor (2-shielded) cable (2.5 m or 98.43) with 5-pin DIN plug”
Finish Microphone head : Zinc plated steel wire, Baked paint, Gray
Main unit : ABS resin, Gray