Dual 100 channel wireless microphone receiver (Mics and charger not included!).  Specially manufactured for us to match our new IrDA 100 channel SQ6100 and SM6100 microphones on 624Mhz with automatic frequency sync feature.

A convenient and inexpensive dual UHF microphone receiver - this is equivalent to two SDR-5100-irda standalone receivers.  the receiver doesn't come with the mics in the picture - you can choose the accessories, although we have a couple of packages below, plus you can always call us on the number above and we'll customise a package to suit your requirements.

General Features
  • 100 factory preset user-selectable UHF frequencies.
  • Advanced microprocessor control, excellent RF design with improved signal performance for interference free multi-channel operation.
  • Patented IrDA technology for 2-way data transfer between transmitter and receiver. Taiwan patent No. : 94128675.
  • More than 8 channels can be operated simultaneously within a selected 20MHz bandwidth.
  • Diversity design for high sensitivity, high selectivity, and high image/spurious rejections.
  • 7-segment LED display on the receiver shows selected frequency.
  • Antennas can be either rear or front mounted.
  • Anti-interference Pilotone control and RF noise squelch circuitries.
  • RF & AF LED indicators.
  • Unbalanced (Φ6.3mm)*2 audio outputs,Individual and mixed output design.
  • Standard 1RU plastic chassis.
  • Matching transmitters: SQ-6100 IrDA/SM-6100 IrDA


Diversity Wireless Microphone System, 19" 1RU


Model SDR-1900 IrDA
Frequency Range UHF 
Switching Bandwidth 25MHz 
Switchable Frequencies 100
Channels 2
Display Screen 7-seg LED display
Oscillation Type PLL Synthesized  
Frequency Stability ±0.005%  
Receiving Method Diversity  
Sensitivity -100dBm 
2-Way synchronization Yes
Image Rejection > 85dB 
S/N Ratio > 110dB  
Peak Deviation ±40KHz 
T.H.D. < 0.5% 
Antenna Socket   TNC type  
Audio Outputs 6.3mm *2
Squelch RF/Noise/Pilotone squelch 
Power Supply 100-240V AC, 12V DC/1.0A
Chassis standard 1-rack (metal)
Dimensions (W*D*H, mm) 420*205*44
Weight (Kg) 1.6
** Remark: The above specifications are subject to change without prior notice.


Dual Radio Microphone Receiver: 100 Channel x2

  • Product Code: SDR1900-IRDA
  • U.O.M: ea
  • Price: $477.39 (GST Excl.)

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