Linkx IR-288 Two-Channel Infrared Wireless Receiver

Our flagship wireless presentation model includes advanced features, like video streaming and annotation.


Product Info

The IR-288 features a two-channel infrared wireless microphone receiver for the simultaneous use of two wireless microphones: An ideal expansion to presenter’s voice and encourage audience’s participation. Interference-free transmission with 100% program material security (infrared will not transmit through walls). The 5-band equalizer helps the user to achieve a better and more prominent vocal sound.


  • Trouble-free infrared wireless communication is free from outside interference, A perfect solution for same area multi spaces usage. E.g.: KTV boxes, classrooms, courtrooms, secure classified briefing areas and etc.
  • Infrared receiving system with quartz-locked fixed frequency.
  • Independent volume control for each channel.
  • Humanized choice of separate output, and one mix output, accompany with level and mic switch to control the output level.
  • A tone squelching circuit is used to eliminate unpleasant noise.
  • 4 External Sensor Inputs extend receiver’s operating distance.
  • 5 Band Equalizer enhances performance and assures you of the finest audio clarity.
  • Flexible system configures to meet different needs in different settings.
  • Metal case 1/2 EIA 19″

Tech Specs

Receiver Input: Infrared
Modulation:FM Wide-band
Infrared Wavelength:850 nm
Reception Frequencies:Channel A: 2.08MHz
Channel B: 2.54MHz
Tone Signal:32.768 KHz
Frequency Response:50 Hz-13 kHz ± 3 dB
S/N Ratio:>75 dB
THD:<1% @1 KHz
Maximum Deviation:±25 KHz
De-Emphasis:50 µs
(Modulation factor: 22.5KHz dev; Volume: MAX):
(1) Unbalanced MIXED (1/4 '') output:
LINE: 1V / 47KΩ,
MIC: 100mV / 600Ω
Equalization:5 Band ± 12dB
Sensor Inputs:4, RCA type
Power Supply:DC 12V / 600mA
Dimension:215(W) x 190(D) x 44(H) mm
Weight:1.02 kg


Product Brochure: link