This large-area infrared listening system is designed for venues that require secure, room-contained audio delivered through stethoset-style receivers. It is ideal for users who prefer lightweight, self-contained listening devices without earphones or bodypacks.
Powered by a Dante-enabled infrared modulator and supported by an emitter array, this system delivers consistent audio coverage across large rooms while keeping signals confined to the space.
$6,840.00
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The Williams AV Large-Area Infrared Listening System with stethoset receivers uses infrared light to transmit audio securely within a room.
Unlike FM or Wi-Fi systems, infrared signals do not pass through walls, making this system well-suited for environments where privacy, interference control, or adjacent room separation is required.
At the center of the system is the IR M1 D infrared modulator, which accepts Dante audio directly from a networked AV system. This allows clean integration into modern digital audio infrastructures without additional converters or analog cabling.
Audio is distributed using IR E4 emitters mounted on an IR A4 array to ensure even coverage across wide spaces. Listeners receive audio through IR RX20 stethoset receivers, which sit comfortably around the neck and deliver sound directly to the ears without cables or additional accessories.
Williams Sound | Assistive Listening Systems
$6,420.00
$370.00
Stethoset receivers are preferred when users want a single, self-contained device without earphones or cables. They’re easy to distribute and comfortable for short- to medium-length listening sessions.
Yes. Infrared audio stays within the room and does not pass through walls, making it ideal for courtrooms, government spaces, and conference facilities.
Yes. The emitter array is designed to distribute infrared signals evenly across large spaces when properly installed.
No. Users simply power on the receiver and adjust the volume. There is no pairing, tuning, or app setup required.
Yes. Additional IR RX20 receivers can be added at any time to support more listeners.
Yes. When installed correctly, this infrared listening system meets 2010 ADA assistive listening requirements.
Yes. Stethoset receivers are designed for quick handoff in public venues. They don’t use ear tips or cables, making them faster to distribute, easier to sanitize, and more practical for high-turnover environments.
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