WIR SYS 7522 PRO on August 27, 2015 | Marketing Team MID-RANGE INFRARED SYSTEM This system features the NEW WIR TX75 PRO infrared transmitter, ensuring participants in a conference room, courtroom, classroom or other mid-sized venue receive direct, clear communication of your message without sacrificing security. Includes WIR RX22-4 receivers–ideal for single-or two-channel applications. The sleek and stylish TX75 PRO is designed to maximize coverage area up to 12,000 square feet in single-channel mode. Two additional slaves (sold separately) can be added for additional coverage of up to 12,000 square feet each (for total coverage of up to 36,000 square feet). Placing additional slaves in the same room increases coverage and enhances freedom of movement. A single CAT-5 cable carries both power and signal to slaves–truly a one-cable connection. Mounting bracket and power supply are included. Available options: WIR SYS 7522 PRO c 2.3/2.8 MHz WIR SYS 7522 PRO d 3.3/3.8 MHz and add the following suffix for line cord: -01: Euro power cord -02: UK power cord -04: Australia power cord system includes (1) WIR TX75 infrared transmitter (3) WIR RX22-4 four-channel selectable, infrared receivers (3) HED 021 folding headphones (2) NKL 001 neckloops (3) BAT 001-2 AA alkaline batteries (1) IDP 008 ADA wall plaque (1) BKT 024 Wall / Ceiling mounting bracket (1) TFP 046 international power supply with WLC 004 U.S. mains AC plug