Williams Sound WIR RX22-4N Four-Channel Infrared Receiver with RCS 004 Lanyard for IR transmitters 2.3/2.8/3.3/3.8MHz

Williams Sound

(No reviews yet) Write a Review
Usually ships in 3 to 5 days
Free Shipping
Adding to cart… The item has been added

Product Overview

Williams AV WIR RX22-4N Four-Channel Infrared Receiver with RCS 004 Lanyard for IR transmitters 2.3/2.8/3.3/3.8MHz

This infrared receiver, offering four-channel selection, is fully compatible with transmitters operating within the 2.3/2.8/3.3/3.8 MHz bandwidth. Enhanced by dual infrared detectors, it optimizes sensitivity and extends operational range. When utilized with a Williams AV Infrared Transmitter – IR M1 [D], IR T1, or IR T2, it covers up to 30,000 square feet (2,800 square meters) in single-channel mode. Its sleek, body-pack design features convenient channel selector and easy-to-use on/off volume control.

The RX22-4N can be used with mono or stereo headphones, earphones or a neckloop (lanyard included).

Note: Headphones, earphones, or neckloop sold separately.


Key Features
  • Use with earphones, headphones or neckloop (lanyard included)
  • Uses AA alkaline or rechargeable batteries
  • Five-year warranty (90 days on accessories)


System Includes

  • (1) WIR RX22-4N Receiver
  • (2) RCS 004 Lanyard



Receiver Style Body-Pack, dual-lens detector, lanyard
Size 4.1″ L x 2.85″ W x 1.2″ H (104.1 mm x 72.4 mm x 30.4 mm)
Weight 4.5 oz (127 g) with batteries
Color and Material Black
Lanyard 3 ft (0.91 m), allows receiver to be worn around the neck
Operating Temperature -10° C to +50° C
Battery Type 2 x AA, alkaline (BAT 001-2) or NiMH (BAT 026-2)
Battery Life Alkaline
Battery Drain 25 mA, nominal
Charging Contacts For use only with CHG 3512
Carrier Frequency

Channel 1: 2.3 MHz

Channel 2: 2.8 MHz

Channel 3: 3.3 MHz

Channel 4: 3.8 MHz

De-Emphasis 50 uS
FM Deviation ±50 kHz
Signal-to-Noise Ratio 60 dB min.
Squelch Receiver squelches (mutes) at 28 dB S/N ratio
Frequency Response 25 Hz to 16 KHz, +1 dB, -3 dB, electrical response
Total Harmonic Distortion Less than 1%, electrical response
Channel Selector four-position rotary switch
Indicators Red LED “ON” indicator, flashes to indicate Low battery
Audio Output Jacks 3.5 mm stereo mini phone jack Accepts 3.5 mm mono or stereo phone plug
Audio Output Power 15 mW max at 32 Ω
Acoustic Output 125 dB SSPL90 with HED 021; 110 dB SSPL90 w/ EAR 013
Sensitivity Better than 1 nW/cm2 for 40 dB signal-to-noise ratio
Approvals CE, FCC, RoHS, WEEE
Compatible Headphones/Earphones Mono or stereo, 8-32 ohms, 3.5 mm mini phone plug, HED 021, HED 026, EAR 013, EAR 014, EAR 022, NKL 001



Warranty Information

5 years on receiver, 90 days on accessories


(No reviews yet) Write a Review