Company Seat

Odborárska 52
831 02 Bratislava 2


+421 2 434 234 00
+421 905 400 490



CONTEST s. r. o.
P.O. BOX 8, 820 16 Bratislava 216

Digital IR receiver IRP 7233

Digital IR receiver IRP 7233

Wireless multi-channel receiver of IR signals. Part of a wireless Infrared transmission system of interpretation.
The modular character of the receiver is enable to fulfill the following requirements:

  • 40 channels of wireless IR distribution of interpretation signals
  • part of a distribution system for interpretation signals
  • enable to receive multi-channel wireless high-quality digital audio transfer without interference in infrared frequency range (2-8 MHz)
  • advanced digital technology to ensure high audio quality without distorting the sound and artifacts
  • special algorithms for minimizing transfer errors
  • high value of signal distance from noise
  • feature for automatic mute in case of weak signal
  • feature for automatic turn off in case the headphones have been unplugged
  • supply: Li-on rechargable accumulators (2000 mAh, 3.7 V)
  • at least 72 hours uptime on a single charge
  • full charge takes at most 4 hours
  • thermal sensor for optimal charging process
  • LED indicator for charging
  • 2x8 character LCD display with the number of the chosen channel, short name for the language listened to, battery status, IR radiator coverage status
  • on/off button
  • volume button
  • channel selector (up and down buttons)
  • 3.5 mm jack for headphones
  • connector for using Li-On batteries
  • charging contacts for charging via charging case
  • belt clip for comfortable use
  • digital IR receiver IRP 7233 complies with Standards: IEC 60914, ISO 2603 and ISO 4043


System audio specification:
System s/n ratio: ≥ 94 dBA
THD: < 0,002 %
Frequency range: 20 Hz - 20 kHz
Dimensions (H x W x D): 155 x 45 x 30 mm
Total weight: 125 g (including battery)


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