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W-WIR RX22-4N SoundPlus® 4-Ch IR Receiver

The W-WIR RX22-4N is a four-channel selectable, infrared receiver compatible with transmitters operating on the 2.3/2.8/3.3/3.8 MHz bandwidth. Dual infrared detectors maximize sensitivity and operating range.  Range of up to 30,000 square feet (2,800 square meters) in single-channel mode when used with a Williams Sound WIR TX925 or WIR TX90 infrared system. Comfortable, 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, batteries, or earphones sold separately. Neckloop and receiver are standard but if you do not require a neckloop please order with the 4N  suffix – see Codes.

W-WIR RX22-NKL with neckloop
W-WIR RX22-4N without neckloop

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  • Features
  • Specifications
  • Includes
  • Consultant Specifications
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    • Use with earphones, headphones or neckloop (lanyard included)
    • Uses AA alkaline or rechargeable batteries
    • Five-year warranty (90 days on accessories)
  • 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: 60 hours, NiMH: 30 hours/charge
    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
    Controls: ON/OFF/VOLUME: combination thumbwheel knob
    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
    bCE, FCC, RoHS, WEEE
    Warranty: 5 years on receiver, 90 days on accessories
    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

    • (1) WIR RX22-4N Receiver
    • (2) RCS 004 Lanyard
    • The receiver shall be a body-pack type with IR detector lens behind face of the unit.
    • The unit shall have a lanyard for hands-free operation.
    • The receiver shall have a rotary-type volume control.
    • The receiver shall operate for 60 hours with two AA alkaline batteries and for 30 hours per charge with NiMH AA batteries.
    • The receiver shall be charged without battery removal via charger contacts in the case. A drop-in charger accessory shall recharge the batteries in 16 hours when used with CHG 3512 charger.
    • The receiver shall be housed in an impact resistant plastic case with a hinged battery door that does not separate from the receiver.
    • The receiver shall receive 2.3 MHz, 2.8 MHz, 3.3 MHz or 3.8 MHz modulated IR signals with 50 µS de-emphasis. The receiver shall have a 3.5 mm stereo phone jack and accommodate low-impedance mono or stereo earphones and headphones.
    • The receiver shall accommodate neckloop telecoil couplers.
    • The receiver shall provide 125 dB SSPL90 output with HED 021 headphone and 110 dB SSPL90 with EAR 013 earbud-type earphone.
    • The system electrical frequency response shall be 25 Hz to 16 kHz, +1, -3 dB and the S/N ratio shall be 60 dB.
    • The receiver shall have CE, FCC RoHS and WEEE approval. The receiver shall be covered by a five-year parts and labor warranty, excluding earphones, headphones, batteries and chargers.
    • The receiver shall be the Williams Sound model WIR RX22-4.

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