Four-Channel Infrared Receiver

• 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 AV model WIR RX22-4.

5 Years