Williams Sound WIR RX12-4 Leaflet

SoundPlus

Infrared Receiver, Model WIR RX12-4

Williams Sound

Helping People Hear

Description:
The RX12-4 is a four-channel infrared receiver, compatible with transmitters operating on the 2.3-3.8 MHz
frequency bandwidth. The sleek, comfortable design features a convenient rotary channel selector and an
easy-to-use on/off/volume control. The RX12-4 can be used with mono or stereo headphones and earphones, or
a neckloop. Dual infrared detectors provide maximum sensitivity and operating range.

Applications:
• Simultaneous Interpretation • Audio Description • Conferences • Multi-Media Rooms
• Boardrooms • Courtrooms • Schools • Universities • Cinemas • Churches

Receiver Style:

Body-Pack, dual-lens detector, lanyard

Size:

3-5/8" L x 2-3/8" W x 7/8" H (9.2 cm x 6 cm x 2.2 cm)

Weight:

4.5 oz (127 g) with batteries

Color and Material:

Gray, shatter-proof polyallomer

Lanyard:

3 ft (.91 m), allows receiver to be warn around the neck

Operating Temperature:

-10° C to +50° C

Battery Type:

2 x AA, alkaline (BAT 001) or NiMH (BAT 026)

Battery Life:

Alkaline: 60 hours, NiMH: 30 hours/charge

Battery Drain:

25 mA, nominal

Charging Contacts:

For use only with CHG 200 and CHG 1600 Chargers

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:

60dB min.

Squelch:

Receiver squelches (mutes) at 40 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

Acoustic Output:

125 dB SSPL90 with HED 002; 110 dB SSPL90 w/ EAR 013

Sensitivity:

Better than 1 nW/cm

for 40 dB signal-to-noise ratio

Approvals:

CE, FCC, Industry Canada, AS

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 002, HED 021, EAR 013, EAR 014, EAR 022

WIR RX12-4 Receiver:

NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

RX12-4 Front View

4 channel

Williams Sound

RX12-4 Top View

EAR

Volume

Channel

OFF

2 3