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Telex FMR500-A
UHF Synthesized Wireless Receiver


The FMR-500 is a UHF synthesized wireless mic receiver with PosiPhase Diversity, adjustable amplitude squelch, 1112 selectable channels...
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Our Price: $487.00
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Telex FMR500-A
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The FMR-500 is a UHF synthesized wireless mic receiver with PosiPhase Diversity, adjustable amplitude squelch, 1112 selectable channels, balanced XLR output; 1/4" adjustable line output, rack mount hardware, 1/4 wave antennas and power supply.

The FMR-500 brings professional features and performance to the small and medium sized wireless microphone installs that are so popular today. One touch Auto ClearScan™ selects the clearest channel in the clearest group of compatible channels in just seconds with the push of one button.


  • Up to 10 systems can operate simultaneously from the pre-set groups of channels in one operating band. Groups of 16 coordinated channels between the two bands are also pre-set.
  • Advanced ClearScan™ and one touch Auto ClearScan automatic group and channel selections, for quick and easy system setup.
  • Completely programmable in 25kHz steps across 28MHz for 1112 possible frequencies.
  • Backlit receiver LCD display shows the Group/Channel, Frequency, transmitter battery status, diversity operation, and RF and Audio level meters.
  • Balanced XLR audio output for Microphone or Line level signals and a 1/4 inch line level jack to match any application.
  • Fourth generation Posi-Phase™ diversity and advanced audio circuits provide maximum range and professional sound quality.
  • Includes single and dual rack mount hardware with front mount antenna cables.
  • “Smart” battery circuit means there is no way to put the battery in wrong.
  • Tone Code plus Amplitude squelch with one button on/off.


  • Receiver Type: Synthesized PLL
  • Frequency Range (RF): A Band 648 – 676 MHz / B Band 696 – 724 MHz
  • Number of Channels: 1112 possible frequencies
    Programmable in 25 kHz steps
  • Modulation: +/- 40 kHz
  • Diversity: Digital Posi-Phase™ True Diversity
  • RF Sensitivity: < 1.0 mV for 12 dB SINAD
  • Image Rejection: > 60dB
  • Squelch: Tone Code plus Amplitude
  • Ultimate Quieting > 100dB
  • FCC Certification: Approved under Part 15
  • Power Requirements: 12 V AC/DC 300mA
  • Operating Temperature: -7° to 49° C (20° to 120° F)
  • Dimensions: 1.72” H x 7.5” W x 5.9” D


  • Frequency Response 50 – 15kHz +/- 2dB
  • Balanced Output (max @ 40kHz deviation)
    Mic Position -10dBV
    Line Position adjustable 10mV - 2V RMS
  • Unbalanced Output adjustable 10mV - 1V RMS
  • Distortion <1.0%, 0.5% typical (ref 1kHz, 40kHz deviation)
  • Signal-to-Noise Ratio >100dB A Weighted
  • Dynamic Range >100dB

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