Product Line

EJ-502IR
EJ-502IR Dual-channel Infrared Microphone System

EJ-502IR

Infrared Microphone System

Description
The infrared receiver EJ-502IR is featured in 2 infrared microphone channels and allowing to be used at simultaneously or unlimited microphone to be operated at school classrooms without interferences or unsecured use in adjacent rooms. No worry for channel selection, unstable frequency interferences or installations!
Specification
  • Features
  • Specifications
  • Transmitters
  • Chargers
  • Sensors
  • Download
  • Dual-channel Infrared Wireless Receiver
  • Support 2 microphone channels
  • LED indicators for audio frequency and channel
  • Single volume control with increased numeric adjustment
  • 1/4 U receiver rack design
  • Interference-free, interception-free
  • Preventing complicated frequency
  • Individual volume control for microphone
  • Mic / Line output switch
  • Two sensor audio inputs (F type)
Specifications
EJ-502IR
Receiver module
IR-502
Infrared ray wavelength
850 nm
Carrier frequency
2.3 MHz (Ch. A); 2.8 MHz (Ch. B)
Receiving system
TRF (Tuned Radio Frequency)
Maximum deviation
50 kHz, with level limiting
Tone squelch frequency
32.768 kHz
Dynamic range
110 dB
T.H.D
< 1 %
Frequency response
70 Hz ~ 10 kHz
Ambient temperature
- 10 ℃ ~ + 50 ℃
Infrared sensor inputs
2 (F type connector)
Reception range
Approx. 20m (at Hi) / 15m (at Low); line-of sight
Dimensions(D x W x H)
200 X 115 X 45 (mm)
Weight
750 g

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