Williams Sound WIR-RX22-4N 4-Channel IR Receiver

The Williams Sound WIR RX22-4N is a professional-grade infrared receiver built for assistive listening deployments in venues where audio accessibility, audio privacy, or multi-language distribution is a priority. With four selectable carrier frequencies — 2.3, 2.8, 3.3, and 3.8 MHz — a single installation can simultaneously serve multiple audience groups: hearing-assistance listeners on one channel, a secondary language interpretation on another, and additional services on the remaining channels. The receiver's ultra-sensitive IR detectors and compatibility with the TX925 and TX90 transmitters extend reliable coverage to 28,000 square feet in single-channel mode, making it a practical solution for large houses of worship, conference centers, courtrooms, and performing arts venues.

The receiver is designed around the needs of the end user in a managed venue setting. The rotary channel selector is intuitive enough that patrons unfamiliar with the device can operate it without instruction, and the combined on/off/volume knob keeps the control interface minimal. Two AA batteries delivering 100 hours of operation means a single battery change can support weeks of regular use in most venue scenarios — a meaningful operational advantage when you're managing a fleet of receivers. The standard 3.5mm output accepts the broadest range of headphone and neckloop accessories, and the inherent privacy of infrared technology — signals don't pass through walls — makes this system particularly appropriate for courtrooms and confidential conference settings where RF leakage would be a concern.