Williams AV IR SYS31 SoundPlus T3 Portable Infrared Courtroom System

Williams AV IR SYS31 SoundPlus^® T3 Portable Infrared Courtroom System

The Williams AV IR SYS31 is a professional-grade portable infrared listening solution designed for medium-sized venues such as courtrooms, conference rooms, lecture halls, and medical facilities. It features the SoundPlus^® T3 infrared transmitter with advanced LED technology, delivering powerful two-channel audio coverage across spaces up to 32,000 square feet (2,972 m²) without signal bleed into adjacent rooms.

This turnkey system includes a tabletop-mounted T3 infrared transmitter, an omnidirectional conference microphone (MIC 149), two WIR RX22‑4N four-channel handheld IR receivers, EAR 022 surround earphones, NKL 001 mono neckloops, and all the required accessories, including a power supply, cabling, tripod stand, ADA wall plaque, and a durable carry case for convenient transport. Two AA batteries are also included for the receivers, making this a fully portable and ready-to-deploy system.

The IR SYS31 is ideal for facilities that require high-quality, secure audio transmission without the risk of spillover into adjacent rooms. Its portable design and simple setup allow quick deployment across various locations, making it a popular choice for mobile courtrooms, overflow spaces, and temporary setups in multi-room venues.

Infrared audio is ideal for assistive listening for ADA/disability compliance, language interpretation, and audio description in environments requiring privacy and confidentiality or where audio signals must remain in a space without spillover to adjacent spaces. Frequently used in:

• Medical centers and treatment rooms
• Courtrooms, jury deliberation rooms, and city council chambers
• Classrooms and lecture halls
• Auditoriums and theaters
• Conference rooms, corporate boardrooms, and training centers

• Complete portable infrared listening system with carry case and tripod
• Includes SoundPlus® T3 medium-area infrared transmitter with advanced LED technology
• Two-channel transmission with up to 32,000 sq ft (2,972 sq m) of coverage
• Minimal signal spillover, ideal for privacy-sensitive environments
• Two WIR RX22-4N four-channel infrared receivers with user-friendly controls
• Includes omnidirectional conference microphone (MIC 149) for clear audio pickup
• EAR 022 surround earphones and NKL 001 neckloops for diverse listening preferences
• Convenient tabletop tripod stand for flexible transmitter positioning
• Comes with ADA wall plaque for compliance and public accessibility
• Durable carry case (CCS 029) for secure storage and easy transport
• Ideal for ADA/disability compliance, language interpretation, and confidential audio transmission
• Frequently used in courtrooms, medical facilities, classrooms, theaters, and boardrooms

Spec Sheet

Manual

Wiring Guide

• (1) IR T3 Medium-area Infrared Transmitter
• (2) WIR RX22-4 Four-channel Infrared Receivers
• (1) MIC 149 Omnidirectional Conference Microphone
• (2) EAR 022 Surround Earphones
• (2) NKL 001 18″ Mono Neckloops
• (2) BAT 001-2 AA Alkaline Batteries
• (1) IDP 008 ADA Wall Plaque
• (1) CCS 029 Carry Case
• (1) STD 007 Table-top Tripod
• (1) TFP 061 Power Supply
• (1) WCA 135 WC 12-foot Mono Cable