Description 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. The Advantages Of TOA PM-660D Type: Moving coil microphone Polar Pattern: Unidirectional Rated Sensitivity: -58 dB (1 kHz, 0 dB=1 V/Pa) Frequency Response: 100 Hz – 10 kHz Output: 4-conductor (2-shielded) cable (2.5 m (8.2 ft)) with 5-pin DIN plug Talk Switch: 1-push-to-talk switch, 1-locking lever, Short-off type Remote Control: 500 mA or less at 30 V DC Finish – Microphone head: Zinc plated steel wire, grey baked paint Dimensions: 100 (W) × 212 (H) × 150 (D) mm (3.94″ × 8.35″ × 5.91″) Main unit: ABS resin, grey
