Williams Sound WIR RX3 Leaflet

Page of 2
SoundPlus
®
Infrared Receiver, Model WIR RX3
©2005, Williams Sound Corp.  MCAT 023A
Williams Sound 
®
Helping People Hear
1
Description:
This easy-to-use, body-pack style receiver includes a single 9 volt battery for 35 hours of long-lasting perform-
ance. It features a volume control/on/off dial, earphone/charging jack, LED power indicator, and is compatible
with any infrared system operating on 95 kHz. The RX3 infrared receiver delivers superb audio quality and can
be used with a variety of earphones, headphones or neckloop.
Applications:
• Language Interpretation  • Courtrooms  • Auditoriums  • Conferences  
• Audio Description  • Schools  • Universities  • Boardrooms
Size and Weight:
3.62" L x 2.36" W x 0.86" H (9.2 cm x 6 cm x 2.2 cm) 
3.2 oz (90 g) with battery
Material and Color:
Polypropylene, Gray
Battery Type:
9 Volt, Eveready 216, Eveready 522, or 
BAT 003 NiMH 7-cell rechargeable
Battery Life:
15 hrs with Eveready 216, 
35 hrs with Eveready 522, 
6 hrs/charge with BAT 003
Charging Jack:
Earphone jack is used for charging
Modulation Frequency:
95 kHz FM, 50 µS de-emphasis
Frequency Response:
200 Hz to 8 kHz, ± 4 dB
Signal-to-Noise Ratio:
60 dB with WIR TX95, 70 dB with WIR TX10
Controls:
Combination volume/On-Off wheel
Audio Output:
3.5 mm mono mini phone jack, 250 mW maximum into 16 
Ω
Acoustic Output:
127 dB MAX SSPL90, 123 dB HF AVG SSPL90 w/ EAR 013, 2 cc coupler
Compatibility:
Compatible with most wide-band 95kHz IR Transmitters
Warranty:
5 years (not including batteries, cords or accessories)
On Indicator:
Red LED
WIR RX3 Receiver:
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
RX3 Top
On/Off
Indicator
Light
Volume /
On-Off
Control
Earphone/
Charging
Jack
EAR/CHG
Volume
1
  Williams
Sound
Volume 
Control
& Switch
Earphone 
Jack
Infrared
"Eye"
RX3 Front
The receiver shall be a body-pack type with an IR detector on the front of the unit. The receiver shall be housed in a
shatter-resistant plastic case with a hinged battery door that does not separate from the receiver. The receiver shall
operate on 95 kHz frequency with 50 µS de-emphasis. The receiver shall have a red LED “on” indicator. The unit shall
have a lanyard for hands-free operation. The receiver shall have a combination volume control and power on/off 
rotator dial. The receiver shall operate for 15 hours with a 9 Volt alkaline battery and for 6 hours per charge with a 
9 Volt NiMH rechargeable battery. The receiver shall have a 3.5 mm phone jack with an output of 250 mW. The phone
jack shall accommodate low-impedance mono earphones, headphones and neckloop telecoil couplers. The receivers
shall provide 127 dB SSPL90 output with an EAR 013 earphone. The receiver shall have a signal-to-noise ratio of 60 dB
with the TX95 transmitter and 70 dB with the WIR TX10 transmitter. 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 Corp. model WIR RX3.
Bid Specs: