Small-area Infrared System for Two (IR SY2)

Summary

A compact infrared kit illustrates the components supplied for small conference-room listening.

Key findings

• Lists a transmitter, two receivers, headphones, one neckloop, batteries and a charger; names small conference rooms among its applications.
• Specifies a 3.5 mm audio input, AC or USB power, and one- or two-channel operation.

Limits

Product description without independent performance testing or a publication date. The packaged receiver and neckloop counts do not establish what a particular venue must provide. Read through the browser retrieval tool; direct download returned 403 and no HTML copy was obtained.

Read the original

williamsav.com/product/ir-t01-s02

Link checked 13 October 2026. We link to the original and do not host copies.

Cited in

• What works in hotel meeting rooms and conference centres, and what do the rules ask of them?Partly answered

Cite this source

The original gives no date, so the citation says “n.d.”. The accessed date is when this library last checked the link; use the date you read it. To point readers to this summary instead, link to https://assistivelisteningknowledgebase.org/evidence/williams-ir-sy2-conference-kit/

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