PM-660U - Toa Desktop Paging Microphone-600 Ohms-Balanced-Ptt | Aztek Computers
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SKU: T7MY3JHXSI |  Mfg. Part: PM-660U  | UPC: 844632065804  |  0 Reviews  |     Share

PM-660U - Toa Desktop Paging Microphone-600 Ohms-Balanced-Ptt Switch-6' Unterminated 4-Conductor Cable

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$201.65  $272.23
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Product Overview

Moving coil microphone Polar Pattern: Unidirectional Rated Impedance: 600 ?, Balanced Rated Sensitivity: -58 dB (1 kHz, 0 dB=1 V/Pa) Frequency Response: 100 Hz - 10 kHz Output: ?5.0 (?0.2"), 4-conductor (2-shielded) cable (2.5 m (98.43")) without 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, gray baked paint Main unit: ABS resin, gray

Expert Overview

The TOA PM-660U is a desktop paging microphone designed for business and IT environments requiring clear voice transmission. This unidirectional, moving coil microphone offers a balanced 600 Ohm impedance, suitable for integration into professional audio systems. It features a push-to-talk switch with a locking lever, providing control over audio output. The microphone's frequency response ranges from 100 Hz to 10 kHz, optimized for speech clarity. Connectivity is provided via a 2.5-meter (98.43-inch) unterminated 4-conductor (2-shielded) cable, allowing for custom termination based on system requirements. The PM-660U is intended for applications such as public address, intercom, and announcement systems where a dedicated, desk-mounted microphone with a controlled talk function is needed. Its robust construction, featuring a zinc-plated steel wire head and ABS resin main unit, ensures durability in regular operational use.

Product Details

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  • TOA
  • PM-660U
  • 844632065804
  • New
  • 15.52 lbs
  • 6 X 8 X 4
  • Sep 16, 2026
  • Mar 15, 2026
  • ID
Product Identifiers: Brand: Toa • Part #: PM-660U • UPC: 844632065804 • Category: Microphones

Frequently Asked Questions

What type of cable does the PM-660U use for connection?

The PM-660U connects via a 2.5-meter (98.43-inch) unterminated 4-conductor (2-shielded) cable. This design requires custom termination by the installer to integrate with existing audio systems.

What is the impedance rating of this microphone?

The microphone has a rated impedance of 600 Ohms, and it is balanced. This specification is important for compatibility with professional audio inputs.

What is the primary use case for the TOA PM-660U?

The PM-660U is designed for desktop paging applications in business and IT environments. It is suitable for public address, intercom, and announcement systems where a dedicated, desk-mounted microphone with a push-to-talk function is required.

Does the microphone have a locking talk switch?

Yes, the microphone features a 1-push-to-talk switch with a 1-locking lever. This allows for continuous transmission without needing to hold the button down.

PM-660U - Toa Desktop Paging Microphone-600 Ohms-Balanced-Ptt Switch-6' Unterminated 4-Conductor Cable

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Reviews for Toa PM-660U

$201.65