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TOA PM-660U Desktop Paging Microphone With PTT Switch

TOA PM-660U Desktop Paging Microphone With PTT Switch

SoundPro Item: 47106 | Part Number: PM-660U

$186.00
$229.00 $186.00
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MSRP: $229.00 | MAP: $186.00

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  • Push-To-Talk Switch With Locking Lever Keeps Mic Open During Extended Announcements
  • Interlocked Remote Control Contact Triggers Amplifier Power Or Chime Without Extra Relay Hardware
  • Balanced 600-Ohm Output Resists Noise On Long Cable Runs In Install Environments
  • Anti-Vibration Construction Reduces Handling Noise For Cleaner Paging Audio
  • Unterminated 4-Conductor Shielded Cable Allows Installer-Specified Termination
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The TOA PM-660U is a moving-coil desktop microphone engineered for permanent install environments where reliable paging and public address are operationally critical. System integrators deploying corporate, institutional, or facility-wide PA systems will find the balanced 600-ohm output and anti-vibration construction essential for maintaining clean signal integrity across long cable runs in noisy electrical environments.

The PTT switch assembly combines a push-to-talk action with a locking lever that holds the mic open during extended announcements, reducing operator fatigue without requiring a separate footswitch or relay. A built-in remote control contact, interlocked with the talk switch, allows direct triggering of amplifier power-on or chime tones without additional relay hardware, simplifying rack-side integration. The 4-conductor shielded unterminated cable gives installers flexibility to terminate to any connector type required by the system.

Compared to consumer desktop mics, the PM-660U is purpose-built for install: ABS resin housing, zinc-plated steel wire grille, and a rated operating temperature and humidity range suit it for equipment rooms, reception desks, and dispatch consoles where the mic must perform unattended for years without service calls.

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Specifications

Audio
Transducer Type
Moving coil microphone
Polar Pattern
Unidirectional
Impedance
600 Ω, Balanced
Sensitivity
-58 dB (1 kHz, 0 dB=1 V/Pa)
Frequency Response
100 Hz - 10 kHz
Controls
Talk Switch
1-push-to-talk switch, 1-locking lever, Short-off type
Connectivity
Output Cable
4-conductor (2-shielded), 2.5 m (8.2 ft) without plug
Remote Control
500 mA or less at 30 V DC
Environmental
Operating Temperature
-10 °C to +50 °C (14 °F to 122 °F)
Operating Humidity
95 %RH or less (no condensation)
Construction
Microphone Head Finish
Zinc plated steel wire, gray baked paint
Main Unit Finish
ABS resin, gray
Dimensions
Width
3.94"
Height
8.35"
Depth
5.91"
Weight
Product Weight
400 g (0.88 lb) (cord excluded)

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