|The PM660U from TOA is a desktop paging microphone for general purpose use. This version comes with an unterminated 2.5m lead. The conductors comprise of an audio pair, switch pair and overall screen.
Perfect for making single zone or all call announcements via a large press to talk button. There's also a locking switch to make longer announcements easier.
Here's the technical info:
||Moving coil microphone
||600 Ω, Balanced
||-58 dB (1 kHz, 0 dB=1 V/Pa)
||100 Hz - 10 kHz
||4-conductor (2-shielded) cable (2.5 m (8.2 ft)) without plug
||1-push-to-talk switch, 1-locking lever, Short-off type
||500 mA or less at 30 V DC
||-10 ℃ to +50 ℃ (14 ゜F to 122 ゜F)
||95 %%%RH or less (no condensation)
||Microphone head: Zinc plated steel wire, gray baked paint
Main unit: ABS resin, gray
||100 (W) × 215 (H) × 150 (D) mm (3.94" × 8.46" × 5.91")
||440 g (0.97 lb) (cord excluded)