{"product_id":"grandstream-gsc3516-sip-talk-back-speaker-poe","title":"Grandstream GSC3516 SIP Talk-Back Speaker with 2-Way HD Audio","description":"\u003cp\u003e🔊 \u003cstrong data-end=\"156\" data-start=\"140\"\u003e15W HD Audio\u003c\/strong\u003e – Delivers clear and powerful two-way voice communication for paging and intercom use.\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e🎙️ \u003cstrong data-end=\"273\" data-start=\"251\"\u003e4-Mic Voice Pickup\u003c\/strong\u003e – Uses 3 directional microphones plus 1 auxiliary mic for clear voice capture up to 4.2 meters.\u003c\/p\u003e\n\u003cp\u003e📶 \u003cstrong data-end=\"402\" data-start=\"376\"\u003eWi-Fi, Bluetooth \u0026amp; PoE\u003c\/strong\u003e – Supports flexible installation with dual-band Wi-Fi, Bluetooth, and PoE network connectivity.\u003c\/p\u003e\n\u003cp\u003e🗣️ \u003cstrong data-end=\"531\" data-start=\"506\"\u003eSIP Talk-Back Support\u003c\/strong\u003e – Enables two-way SIP and multicast communication for intercom and announcement setups.\u003c\/p\u003e\n\u003cp\u003e🔘 \u003cstrong data-end=\"654\" data-start=\"626\"\u003ePeripheral Input Support\u003c\/strong\u003e – Includes a 2-pin input for compatible peripherals such as call buttons.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong data-end=\"1473\" data-start=\"1450\"\u003eGrandstream GSC3516\u003c\/strong\u003e is a \u003cstrong data-end=\"1514\" data-start=\"1479\"\u003eSIP\/Multicast talk-back speaker\u003c\/strong\u003e designed for two-way voice communication in offices, schools, hospitals, apartments, and similar facilities. It combines a \u003cstrong data-end=\"1656\" data-start=\"1638\"\u003e15W HD speaker\u003c\/strong\u003e, \u003cstrong data-end=\"1697\" data-start=\"1658\"\u003e3 directional microphones with MMAD\u003c\/strong\u003e, an \u003cstrong data-end=\"1726\" data-start=\"1702\"\u003eauxiliary microphone\u003c\/strong\u003e, \u003cstrong data-end=\"1747\" data-start=\"1728\"\u003edual-band Wi-Fi\u003c\/strong\u003e, \u003cstrong data-end=\"1762\" data-start=\"1749\"\u003eBluetooth\u003c\/strong\u003e, and \u003cstrong data-end=\"1775\" data-start=\"1768\"\u003ePoE\u003c\/strong\u003e connectivity for flexible deployment. Ideal for voice intercom and paging setups, it pairs well with compatible Grandstream IP phones and GDS facility access products for integrated communication and security workflows.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable cellspacing=\"0\" cellpadding=\"8\" border=\"1\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eSpecification\u003c\/th\u003e\n\u003cth align=\"left\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGrandstream\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eGSC3516\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003eSIP\/Multicast Talk-Back Speaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio Output\u003c\/td\u003e\n\u003ctd\u003eHigh-fidelity 15W HD speaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice Function\u003c\/td\u003e\n\u003ctd\u003e2-way voice \/ talk-back functionality\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicrophones\u003c\/td\u003e\n\u003ctd\u003e3 directional microphones with Multichannel Microphone Array Design (MMAD) and microphone beamforming array, plus 1 omnidirectional auxiliary microphone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicrophone Pickup Distance\u003c\/td\u003e\n\u003ctd\u003eUp to 4.2 meters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio Codec Support\u003c\/td\u003e\n\u003ctd\u003eFull-band and wide-band audio codec support including Opus and G.722\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetworking\u003c\/td\u003e\n\u003ctd\u003e1 x 10\/100Mbps network port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower over Ethernet\u003c\/td\u003e\n\u003ctd\u003ePoE \/ PoE+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWireless Connectivity\u003c\/td\u003e\n\u003ctd\u003eIntegrated dual-band 802.11 a\/b\/g\/n\/ac Wi-Fi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003eIntegrated Bluetooth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeripheral Support\u003c\/td\u003e\n\u003ctd\u003e2-pin multi-purpose input to support peripherals including call buttons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCall Management\u003c\/td\u003e\n\u003ctd\u003eBuilt-in whitelist, blacklist and greylist support for blocking unwanted calls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eCan be paired with Grandstream desktop IP phones, cordless IP phones and GDS series facility access products\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Grandstream","offers":[{"title":"Default Title","offer_id":58105293865263,"sku":"GSC3516","price":17900.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1780\/7915\/files\/grandstream-gsc3516-sip-talk-back-speaker-front-view.webp?v=1782383870","url":"https:\/\/www.tpstech.in\/products\/grandstream-gsc3516-sip-talk-back-speaker-poe","provider":"tpstech.in","version":"1.0","type":"link"}