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2
SoundPlus
®
Value Courtroom System •
Model WIR SYS 2
D
D
U
Four-Channel Receiver, Model RX22-4
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 8
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 receivers shall provide 110 dB SSPL90 output with EAR 013 earbud-type earphone.
The system electrical frequency response shall be 25 Hz to 16 kHz, +1, -3 dB and the signal-to-noise 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 Corp. model WIR RX22-4.
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
©2010, Williams Sound Corp. MCAT 028E
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