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Infrared Microphone System
Infrared Receiver
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IR-280
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IR-488
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IR-488

4-Channel Infrared Receiver

The IR-488 is a four-channel infrared wireless receiver for the simultaneous use of four wireless microphones. Ideal for courtroom, karaoke house, panel presentation, or video conferencing ; where outside interference is intolerable and security is of the essence. Not subject to RF interference and IR transmission is contained within the room. Plugs directly into most popular courtroom recording systems.


  • Trouble-free infrared wireless communication is free from outside interference, A perfect solution for same area multi spaces usage. E.g.: KTV boxes, classrooms, court rooms, secure classified briefing areas and etc.
  • Infrared receiving system with quartz-locked fixed frequency.
  • Independent volume control for each channel.
  • Humanized choice of separate output, and one mix output, accompany with line and Mic level switch to control the output level.
  • A tone squelching circuit is used to eliminate unpleasant noise.
  • 4 External Sensor Inputs extend receiver's operating distance.
  • 5 Band Equalizer enhances performance and assures you of the finest audio clarity.
  • Metal case EIA.19" for professional cabinet standard mounting.
  • Emergency / Panic alert - coordinate with emergency alert system (EAS)
  • Ground loop isolator switch for computer input to eliminate hum noise
  • Compatible with the Linkx stylish pendant transmitter, T6r, which allows remote volume control of input medias