Azden WMS-PRO Wireless Microphone System - 169.45MHz System Frequency
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Professional Sound
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General Information

VHF lavalier & wired handheld mic system

The "all-time" best selling wireless microphone for videography. This versatile system consists of the WM-PRO belt-pack transmitter 2 plug-in electret condenser microphones, a lavalier (EX-503) and handheld (EX-413) and the WR-PRO receiver which comes with both shoe-mount and hook and loop fastener. All receivers and transmitters in the "PRO" Series are on the same 2 frequencies (169.445MHz and 170.245MHz).

Technical Information
System Operating Frequency:169.45 MHz VHF
System Operating Frequency:170.25 MHz VHF
Operating Range:250 ft

Interfaces/Ports:Mini-phone Audio Out - Receiver
Interfaces/Ports:1/4" Phono Jack Audio In - Transmitter

Battery Information
Battery Chemistry:Alkaline

Physical Characteristics
Dimensions:3.4" Height x 2.4" Width x 0.8" Depth - Receiver
Dimensions:3.4" Height x 2.4" Width x 0.8" Depth - Transmitter
Weight (Approximate):4.52 oz - Receiver with Batteries
Weight (Approximate):3.46 oz - Transmitter

Package Contents:

WMS-PRO Wireless Microphone System:

  • WM-PRO Belt-Pack Transmitter
  • 2 x Plug-in Electret Condenser Microphones
  • Lavalier (EX-503)
  • Handheld (EX-413)
  • WR-PRO Receiver
  • Shoe-Mount
  • Hook and Loop Fastener
Additional Information:


  • Receiver type: Double superheterodyne
  • Sensitivity: 2
  • mV @ S/N of 40dB
  • Battery: 1-9V Alkaline
  • Power consumption: 25mA
  • Monitor output: 1V @ 30W, Modulation frequency: 1kHz, Deviation: +/-7kHz
  • Mic output: 8mV w/10KW load, Modulation frequency: 1kHz, Deviation: +/-7kHz
  • Mic output impedance: 300W


  • Modulation system: FM
  • Sensitivity: 94dB SPL @ +/- 2.5KHz deviation
  • Battery: 1-9V
  • Power consumption: 30mA

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Shipping Restrictions
  • This item cannot be shipped to PO Boxes.
  • This item can be shipped only within the U.S.

  • UPC: 095528000229 
  • Mfr's Part #: WMS-PRO