Williams AV WIR RX22-4N 4-Channel Selectable Infrared Receiver, 25Hz-16KHz Frequency Response

Provide dependable, crystal-clear assistive listening and discreet audio monitoring with the Williams AV WIR RX22-4N four-channel selectable infrared receiver. Designed for professional assistive listening devices, this compact body-pack brings consistent, interference-free audio to audiences and monitoring staff across large venues — supporting up to 30,000 square feet in single-channel mode when paired with compatible WIR transmitters. With a wide 25 Hz–16 kHz frequency response and compatibility across 2.3/2.8/3.3/3.8 MHz bandwidths, the RX22-4N reproduces voice and program audio with natural clarity ideal for conferences, houses of worship, training centers, and security/surveillance monitoring applications. Dual IR detectors boost signal sensitivity and range, while the simple channel selector and on/off/volume control make operation intuitive for staff and end users. The receiver accepts mono or stereo headphones, earphones or a neckloop for hearing-aid compatibility, and runs on two AA batteries (alkaline or NiMH) for quick swaps in the field. Rugged, lightweight and backed by a five-year warranty, the WIR RX22-4N is a practical choice for integrators and AV managers seeking reliable assistive listening and monitoring solutions. Add it to your AV or security system to improve accessibility and on-site audio monitoring today.

• Delivers clear assistive audio across large venues — up to 30,000 sq ft in single-channel mode to serve audiences in conference rooms, houses of worship and event spaces
• Four-channel selectable tuning lets technicians assign separate programs or language feeds for simultaneous groups, improving accessibility and workflow
• Dual infrared detectors increase sensitivity and coverage in complex room layouts, reducing dropout and improving monitoring reliability
• Comfortable body-pack design with simple on/off/volume and channel selector for fast setup; works with headphones, earphones or neckloop (lanyard included)
• Runs on two AA batteries (alkaline or NiMH rechargeables) for easy field maintenance and uninterrupted operation
• Backed by a five-year limited warranty for long-term dependability in professional AV, security and surveillance installations