Azden IRN-10
Neck-Worn Infrared Transmitter with Built-In Microphone


A lightweight, chest worn, microphone/transmitter, the IRN-10 comes with an adjustable lanyard. It is both a microphone and infrared transmitter which wirelessly "links" the teacher to the IRR-30P receiver. It has a specially designed internal microphone array which provides great sound pick-up. With two switchable channels, a teacher can go from classroom to classroom with the same microphone! With just two "AA" batteries (alkaline or rechargeable) the microphone can be used the entire school day without re-charging or changing batteries.


  • Sub-carrier frequencies: 2.06MHz & 2.56MHz switchable
  • Modulation: FM
  • Microphone element type: Uni-directional electret x 2
  • Frequency response: 50-9kHz ±3dB
  • Ext Mic input impedance: 2.2k ohms Ext Mic input jack: 3.5mm
  • Ext. Mic Voltage/Current: 3.5VDC @ 1mA (to power electret mic element)
  • Mic gain adjustment: +6dB to approx. –10dB
  • Battery type: 2-"AA" Alkaline (1.5V x 2) or
  • 2-"AA" rechargeable Ni-MH (1.2V x 2)
  • Battery life: > 8hours w/alkaline batteries
  • Size: 3.15" H x 2.75" W x 1.06" D
  • Weight: 4.3oz w/alkaline batteries
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