{"product_id":"williams-av-ir-sys31-portable-infrared-courtroom-system","title":"Williams AV IR SYS31 Portable Infrared Courtroom System","description":"\u003ch4\u003ePortable two-channel infrared audio system for courtroom assistive listening and language interpretation, with coverage up to 32,000 sq ft (2,972 m²).\u003c\/h4\u003e\n\u003cp\u003eDesigned for easy transport between rooms, with a carry case and tabletop tripod for the T3 transmitter. The included omnidirectional conference microphone captures audio throughout the room, while IR receivers deliver sound through earphones or a neckloop for T-coil hearing aids and cochlear implants.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eSystem Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 × IR T3\u003c\/strong\u003e – Medium-Area Infrared Transmitter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 × WIR RX22-4\u003c\/strong\u003e – Four-Channel Infrared Receivers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 × MIC 149\u003c\/strong\u003e – Omnidirectional Conference Microphone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 × EAR 022\u003c\/strong\u003e – Surround Earphones\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 × NKL 001\u003c\/strong\u003e – 18″ Mono Neckloops\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 × BAT 001-2\u003c\/strong\u003e – AA Alkaline Batteries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 × IDP 008\u003c\/strong\u003e – ADA Wall Plaque\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 × CCS 029\u003c\/strong\u003e – Carry Case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 × STD 007\u003c\/strong\u003e – Table-Top Tripod\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 × TFP 061\u003c\/strong\u003e – Power Supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 × WCA 135 WC\u003c\/strong\u003e – 12-Foot Mono Cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eIR T3 Transmitter\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 9.0″ W (229 mm) × 3.8″ D (97 mm) × 1.4″ H (36 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.84 lb (0.38 kg)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e TFP 057 desktop-style internationally certified power supply with IEC line cord; 100–240 VAC input, 50–60 Hz, 18 W; 48 VDC output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Power Input:\u003c\/strong\u003e 2.1 mm ID barrel connector, 48 VDC, 0.2 A, center positive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Indicator:\u003c\/strong\u003e Green LED\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleep\/Power Save Mode:\u003c\/strong\u003e Shuts off IR when no audio is present for 12 minutes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModulation:\u003c\/strong\u003e FM wideband, ±50 kHz deviation max., 50 μs pre-emphasis\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBaseband Frequencies:\u003c\/strong\u003e 2.3, 2.8, 3.3, 3.8 MHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage Area:\u003c\/strong\u003e Up to 32,000 sq. ft (2,972 m²) in single-channel mode with the RX22-4 receiver; up to 19,000 sq. ft (1,774 m²) with the RX20 stethoset receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicrophone Gain Adjust:\u003c\/strong\u003e Rotary, 10 dB range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicrophone Channel Switch:\u003c\/strong\u003e Selects microphone input to Ch. A or Ch. B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicrophone Input:\u003c\/strong\u003e 3.5 mm stereo jack with signal and bias connected to tip; electret microphone compatible (6 VDC bias supply with 2.7 kΩ series resistor)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio Inputs:\u003c\/strong\u003e Phoenix-style connector jack for Ch. A and Ch. B; accepts line-level balanced or unbalanced audio\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio Indicators:\u003c\/strong\u003e One yellow LED per channel; lights and stays on steadily with minimum audio level\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal-to-Noise Ratio:\u003c\/strong\u003e 70 dB (line input)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 95 Hz–17.6 kHz, −3 dB re 1 kHz (line inputs); 125 Hz–17.0 kHz, −3 dB re 1 kHz (microphone input)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Requirements:\u003c\/strong\u003e 32–122 °F (0–50 °C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Kit:\u003c\/strong\u003e BKT 024 omnidirectional wall\/ceiling mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Receivers:\u003c\/strong\u003e WIR RX22-4, IR RX20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 2-year warranty against component failure and manufacturing defects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprovals \/ Regulatory Compliance:\u003c\/strong\u003e CE, FCC, Industry Canada, WEEE, RoHS, CB Scheme, RCM, PSE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Shop7","offers":[{"title":"Default Title","offer_id":54529920336209,"sku":null,"price":2479.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/6587\/0673\/files\/1_45f16eec-ad54-4d37-a67e-1e5ab328c0db.jpg?v=1786367810","url":"https:\/\/shop7.lv\/en\/products\/williams-av-ir-sys31-portable-infrared-courtroom-system","provider":"Shop7","version":"1.0","type":"link"}