System Includes
(1) WIR RX22-4N Receiver
 (2) RCS 004 Lanyard
Features
- Use with earphones, headphones or neckloop (lanyard included)
 - Uses AA alkaline or rechargeable batteries
 - Five-year warranty (90 days on accessories)
 
Specifications
WIR RX22-4N architectural and engineering specifications
- 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.
 
WIR RX22-4N
| 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 | 
| Approvals: | CE, 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 | 
Other Models
WIR RX15-2 SoundPlus® two-channel infrared headset receiver
 WIR RX18 SoundPlus® two-channel / stereo infrared receiver
Warranty
5 Years
            