{"product_id":"williams-av-commercial-grade-medium-area-infrared-transmitter-system-with-poe-conference-mic","title":"Williams AV IR SYS31-00 – Infrared Assistive Listening System (PoE, Conference Mic)","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eWilliams AV IR SYS31-00\u003c\/strong\u003e is a medium-area infrared assistive listening system with Power over Ethernet, packaged with a conference microphone for boardrooms and meeting spaces. It combines the SoundPlus T3 infrared transmitter with two four-channel receivers and an omnidirectional conference mic, delivering a room-contained infrared assistive listening system for confidential government and commercial environments. Infrared keeps the signal inside the room, unlike RF or Wi-Fi.\u003c\/p\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe IR SYS31-00 targets conference rooms and boardrooms that need both assistive listening and a table microphone. The system includes the IR T3 medium-area infrared transmitter, two WIR RX22-4 four-channel receivers, a MIC 149 omnidirectional conference microphone, surround earphones, neckloops, and batteries. The transmitter broadcasts on up to two channels (2.3\/2.8 or 3.3\/3.8 MHz) for dual-language interpretation or a single feed, with contained infrared coverage up to 32,000 ft2 single-channel using the included receivers and correctly placed emitters. Power over Ethernet and a universal 48 VDC supply support flexible installation, and RS-232 control integrates the system into third-party AV control. This configuration suits commercial meeting spaces where a designer wants assistive listening and voice pickup from one deployment. Expand capacity with additional \u003ca href=\"https:\/\/creationnetworks.net\/search?q=WIR%20RX22\"\u003eWIR RX22 receivers\u003c\/a\u003e and \u003ca href=\"https:\/\/creationnetworks.net\/search?q=EAR%20022\"\u003eearphones\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConference-ready package\u003c\/strong\u003e — Includes an omnidirectional table microphone for meeting-room voice pickup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoom-contained privacy\u003c\/strong\u003e — Infrared signal does not leave the room, ideal for confidential meetings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-channel operation\u003c\/strong\u003e — Supports dual-language interpretation or one assistive-listening feed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoE-ready\u003c\/strong\u003e — Power over Ethernet plus universal 48 VDC supply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge coverage\u003c\/strong\u003e — Up to 32,000 ft2 single-channel with included receivers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelecoil support\u003c\/strong\u003e — Neckloops included for hearing-aid users.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl integration\u003c\/strong\u003e — RS-232 for third-party AV control systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBoardroom and conference room assistive listening with voice pickup\u003c\/li\u003e\n\u003cli\u003eGovernment spaces requiring contained audio\u003c\/li\u003e\n\u003cli\u003eCommercial meeting spaces and training rooms\u003c\/li\u003e\n\u003cli\u003eAuditorium and multi-purpose room interpretation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:420px\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e\u003cstrong\u003eTechnology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003eInfrared (line-of-sight, room-contained)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e\u003cstrong\u003eTransmitter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003eIR T3 medium-area, 2.3\/2.8 or 3.3\/3.8 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e\u003cstrong\u003eIncluded receivers\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e2 x WIR RX22-4 (4-channel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e\u003cstrong\u003eMicrophone\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003eMIC 149 omnidirectional conference mic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e\u003cstrong\u003eCoverage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003eUp to 32,000 ft2 (single-channel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e48 VDC universal supply; optional PoE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e2-year parts and labor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eFull specifications: \u003ca href=\"https:\/\/williamsav.com\/product\/ir-t3-medium-area-infrared-system-with-poe\/\"\u003eWilliams AV SoundPlus T3 infrared system spec sheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat makes this different from the IR SYS30-00?\u003c\/strong\u003e\u003cbr\u003eThe SYS31-00 adds an omnidirectional conference microphone for table voice pickup in meeting rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy infrared for this room?\u003c\/strong\u003e\u003cbr\u003eInfrared is contained within the space, providing the privacy required in confidential and government settings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is it powered?\u003c\/strong\u003e\u003cbr\u003eVia the included 48 VDC universal supply or optional Power over Ethernet.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it support hearing aids?\u003c\/strong\u003e\u003cbr\u003eYes, using the included neckloops for telecoil-equipped hearing aids.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it integrate with a control system?\u003c\/strong\u003e\u003cbr\u003eYes, through RS-232 monitoring and control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat warranty applies?\u003c\/strong\u003e\u003cbr\u003eTwo-year parts and labor; Creation Networks supports design and integration.\u003c\/p\u003e","brand":"Williams AV","offers":[{"title":"Default Title","offer_id":47976454619372,"sku":"IR SYS31-00","price":1922.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0603\/7982\/4364\/files\/IR-sy7_5c5712e6-ded5-4b2b-b8c0-b591108205e7.png?v=1784686639","url":"https:\/\/creationnetworks.net\/products\/williams-av-commercial-grade-medium-area-infrared-transmitter-system-with-poe-conference-mic","provider":"Creation Networks","version":"1.0","type":"link"}