{"product_id":"williams-av-fm-plus-large-area-dual-fm-and-wi-fi-als-with-4-fm-r37-receivers-dante","title":"Williams AV FM 557 PRO D WAP – Dual FM \u0026 Wi-Fi System with Dante","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eWilliams AV FM 557 PRO D WAP\u003c\/strong\u003e is a large-area dual FM and Wi-Fi assistive listening system with Dante digital audio input, built for networked commercial AV installations. It broadcasts over 72 MHz FM to unlimited receivers and over Wi-Fi to personal devices, making it a Dante-enabled commercial assistive listening system for auditoriums, houses of worship, and government spaces. This PRO D WAP configuration adds a wireless access point, four R37 receivers, coax cable, and a rack panel kit.\u003c\/p\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe FM 557 PRO D WAP matches the FM 557 PRO WAP feature set and adds a Dante network audio input, allowing the transmitter to take audio directly from a Dante-enabled DSP, matrix, or console over the AV network. The FM+ transmitter broadcasts on 17 wideband channels across 72.1–75.9 MHz to unlimited RF listeners or to up to 45 Wi-Fi devices in unicast mode through the WaveCAST app. RF coverage reaches up to 1,000 ft (304 m), with a 64 dB+ signal-to-noise ratio and 31 Hz–16 kHz (±3 dB) response. The package includes four PPA R37 receivers, surround earphones, neckloops, a multi-bay charger, the wireless access point, coax cable, and a rack panel kit for rack-mount installation. Dante input makes this the preferred configuration for facilities standardized on networked audio. Add \u003ca href=\"https:\/\/creationnetworks.net\/search?q=PPA%20R37\"\u003eR37 receivers\u003c\/a\u003e and \u003ca href=\"https:\/\/creationnetworks.net\/search?q=EAR%20022\"\u003eearphones\u003c\/a\u003e to scale capacity.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDante network input\u003c\/strong\u003e — Accepts audio directly from Dante DSPs, matrices, and consoles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual FM and Wi-Fi delivery\u003c\/strong\u003e — Unlimited FM receivers plus personal-device Wi-Fi listening.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e17 wideband channels\u003c\/strong\u003e — Frequency-agile across 72.1–75.9 MHz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-range coverage\u003c\/strong\u003e — Up to 1,000 ft (304 m) RF range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall-ready package\u003c\/strong\u003e — Four R37 receivers, WAP, coax cable, and rack panel kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional audio\u003c\/strong\u003e — 64 dB+ SNR and 31 Hz–16 kHz (±3 dB) response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRack-mountable\u003c\/strong\u003e — Rack panel kit for standard racks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAuditorium and house of worship assistive listening on a Dante network\u003c\/li\u003e\n\u003cli\u003eGovernment spaces and commercial meeting spaces\u003c\/li\u003e\n\u003cli\u003eMulti-purpose rooms and training rooms\u003c\/li\u003e\n\u003cli\u003eConference rooms and all-hands rooms\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\"\u003eDual FM (72 MHz) + Wi-Fi (WaveCAST), Dante input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e\u003cstrong\u003eFM channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e17 wideband, 72.1–75.9 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003eUnlimited FM receivers; up to 45 Wi-Fi devices (unicast)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e\u003cstrong\u003eRF range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003eUp to 1,000 ft (304 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e\u003cstrong\u003eNetwork audio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003eDante digital input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px\"\u003e4 x PPA R37 receivers, WAP, earphones, neckloops, charger, coax, rack panel kit\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_specs\/fm-557-systems-specifications\/\"\u003eWilliams AV FM 557 systems specifications\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the D add over the FM 557 PRO WAP?\u003c\/strong\u003e\u003cbr\u003eA Dante network audio input, so the transmitter can receive audio directly from Dante-enabled DSPs and consoles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan listeners use their phones?\u003c\/strong\u003e\u003cbr\u003eYes, over Wi-Fi via the WaveCAST app, alongside the FM receivers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many listeners can it serve?\u003c\/strong\u003e\u003cbr\u003eUnlimited FM receivers plus up to 45 Wi-Fi devices in unicast mode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it rack-mountable?\u003c\/strong\u003e\u003cbr\u003eYes, with the included rack panel kit and coax cable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it support hearing aids?\u003c\/strong\u003e\u003cbr\u003eYes, through the included neckloops for telecoil hearing aids.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat warranty and support are included?\u003c\/strong\u003e\u003cbr\u003eTwo-year parts and labor; Creation Networks provides design and integration support.\u003c\/p\u003e","brand":"Williams AV","offers":[{"title":"Default Title","offer_id":47976454553836,"sku":"FM 557 PRO D WAP","price":3545.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0603\/7982\/4364\/files\/fm-557-Pro-WAP-4-recievers-01.png?v=1784686598","url":"https:\/\/creationnetworks.net\/products\/williams-av-fm-plus-large-area-dual-fm-and-wi-fi-als-with-4-fm-r37-receivers-dante","provider":"Creation Networks","version":"1.0","type":"link"}