EJ-502IR
Infrared Microphone System
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!
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 |
Transmitters
Chargers
 HDC-502 Dual-slot Charger |
 HDC-503 Dual-slot Charger |
Sensors
 IRS-20 Infrared Sensor |
 IRS-30 Infrared Sensor |
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