| Model: WIR RX22-4N-NKL Specifications |
| Description |
4-Channel Infrared Receiver w/ Neckloop (Black) |
| 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 |
| Warranty |
5 Years |