Williams AV IR SY21 Large-Area Dante Infrared Assistive Listening System with Bodypack Receivers, IR+ Transmitter, (2) Emitters, and Array

Ensure every attendee hears critical information clearly—whether during a security briefing, live presentation, or surveillance monitoring. The Williams AV IR SY21 Large-Area Dante Infrared Assistive Listening System is a professional-grade assistive listening solution designed for auditoriums, conference rooms and control rooms that demand reliable, private audio. The system delivers high-fidelity audio with a 40 Hz to 16 kHz frequency response and under 2% total harmonic distortion, so spoken word and security announcements remain intelligible. Built-in Dante compatibility lets integrators route audio conveniently across AV and security networks, while IR transmission provides RF‑free, interference‑resistant audio for surveillance and monitoring applications. Included bodypack receivers, an IR+ transmitter, dual emitters and an array simplify installation and reduce time on site. The compact rack unit features an easy rocker switch and LED status indicators for fast operation by event and security staff. Upgrade your venue’s accessibility and communications reliability—specify the Williams AV IR SY21 for your next AV or security deployment, or contact sales to configure a turnkey system.

• Deliver clear, secure audio to every listener in large venues like auditoriums, conference rooms, and monitoring centers.
• RF‑free infrared transmission ensures private, interference‑free audio—ideal for security, surveillance, and sensitive briefings.
• Dante network compatibility enables flexible audio routing and integration with existing AV/security systems for simplified monitoring.
• Complete out‑of‑the‑box solution with IR+ transmitter, bodypack receivers, two emitters and an array to speed deployment and reduce setup time.
• Rack‑mount, single‑unit design with intuitive rocker switch and LED indicators streamlines operation for event and security staff.
• High‑fidelity sound (40 Hz–16 kHz) with <2% total harmonic distortion for intelligible speech during presentations and security communications.