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!

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Features

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

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