{"product_id":"grandstream-sip-multicast-intercom-talk-back-horn-speaker-gsc3518hs-390483","title":"Grandstream SIP\/Multicast Intercom Talk-Back Horn Speaker GSC3518HS","description":"\u003cp\u003e\u003cstrong\u003eGrandstream SIP\/Multicast Intercom Talk-Back Horn Speaker GSC3518HS\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe GSC3518HS is a SIP\/multicast talk-back horn speaker that provides crystal clear HD audio, a high-fidelity 50-Watt speaker, and IP66-rated water and dust protection, ideal for outdoor campuses, public spaces, large offices, school playgrounds, hospitals, parks, warehouses, and more.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eHigh-powered 50W speaker with maximum volume of 126 dBA, ideal for coverage of expansive outdoor areas \u003c\/li\u003e\n\t\u003cli\u003e3 microphones, AI-based background noise reduction, and intelligent text-to-speech to ensure every word is heard clearly in talk-back scenarios\u003c\/li\u003e\n\t\u003cli\u003eFull-band and wide-band audio codec support, including Opus \u0026amp; G.722\u003c\/li\u003e\n\t\u003cli\u003eIncludes differential LINE IN and LINE OUT connections\u003c\/li\u003e\n\t\u003cli\u003eSupports Airplay, ONVIF, RTSP\/HTTP streaming, local audio files, and mobile app playback\u003c\/li\u003e\n\t\u003cli\u003eSIP paging, multicast paging, call waiting with priority override, and more\u003c\/li\u003e\n\t\u003cli\u003eOne 10\/100Mbps network port with PoE\/PoE+\/PoE++ input, and one 10\/100Mbps network port with PoE\/ PoE+ output\u003c\/li\u003e\n\t\u003cli\u003eIP66-rated waterproof and dustproof; includes a durable stainless steel bracket suitable for harsh outdoor environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cimg src=\"https:\/\/www.lockstok.com\/\/ProductImages\/Grandstream\/101B9255-19F1-45A5-8D56-C7E4851C37EE_394843.jpg?1779452862656\" style=\"height:500px; width:500px\"\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHigh-Powered 50-Watt Speaker\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eA 50W speaker with a maximum volume of 126dBA allows the GSC3518HS to provide expansive coverage throughout large indoor and outdoor spaces.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e3 Built-In Microphones\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e3 built-in microphones, AI-based background noise reduction, and intelligent text-to-speech ensures every word is heard clearly in talk-back scenarios.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHear Everything Clearly\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eAI noise reduction blocks out background noise to ensure that the 3 built-in microphones capture every important voice and sound, providing maximum security protection.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProtection from the Elements\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIP66-rated waterproof and dustproof protection and durable PC + ABS material allows the GSC3518HS to perform in harsh outdoor environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIdeal for Large Venues\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe GSC3518HS was designed for public spaces, schools, warehouses, parks, hospitals, factories, ports, markets, and other large indoor and outdoor venues.\u003c\/p\u003e\n\n\u003cp\u003e\u003cimg src=\"https:\/\/www.lockstok.com\/\/ProductImages\/Grandstream\/101B9255-19F1-45A5-8D56-C7E4851C37EE_394841.jpg?1779452899337\" style=\"height:500px; width:500px\"\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpeaker\u003c\/strong\u003e\u003cbr\u003e\nSpeaker Power: 50 W High-Fidelity Speaker\u003cbr\u003e\nFrequency Response: 270 Hz – 13.2 kHz\u003cbr\u003e\nSensitivity: Up to 109 dBA at 1 m \/ 1 W (1 kHz)\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMicrophone\u003c\/strong\u003e\u003cbr\u003e\nMicrophones: 3 Built-In Microphones\u003cbr\u003e\nPickup Distance: Up to 8 m\u003cbr\u003e\nNoise Reduction: AI Noise Reduction\u003cbr\u003e\nText-to-Speech Support: Intelligent TTS Support\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAuxiliary Ports\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e2 × 2-Pin Switch-In Input Ports\u003c\/li\u003e\n\t\u003cli\u003e1 × 2-Pin Switch-Out Output Port\u003c\/li\u003e\n\t\u003cli\u003e1 × Differential Line-In Port\u003c\/li\u003e\n\t\u003cli\u003e1 × Differential Line-Out Port\u003c\/li\u003e\n\t\u003cli\u003e2 × Network Ports\u003c\/li\u003e\n\t\u003cli\u003e1 × DC 24 V – 48 V Port\u003c\/li\u003e\n\t\u003cli\u003e1 × Reset Port\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNetwork Interfaces\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e1 × 10\/100 Mbps Port with Integrated PoE\/PoE+\/PoE++ Input\u003c\/li\u003e\n\t\u003cli\u003e1 × 10\/100 Mbps Port with Integrated PoE\/PoE+ Output\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePower Over Ethernet (PoE)\u003c\/strong\u003e\u003cbr\u003e\nPoE Support: PoE, PoE+, PoE++\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTelephony Features\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eSIP Paging\u003c\/li\u003e\n\t\u003cli\u003eMulticast Paging\u003c\/li\u003e\n\t\u003cli\u003eGroup Paging\u003c\/li\u003e\n\t\u003cli\u003ePush-to-Talk (PTT)\u003c\/li\u003e\n\t\u003cli\u003eCall Waiting with Priority Override\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSecurity\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eUser and Administrator-Level Password Protection\u003c\/li\u003e\n\t\u003cli\u003e256-Bit AES Encrypted Configuration File\u003c\/li\u003e\n\t\u003cli\u003eTLS\u003c\/li\u003e\n\t\u003cli\u003eSRTP\u003c\/li\u003e\n\t\u003cli\u003eHTTPS\u003c\/li\u003e\n\t\u003cli\u003e802.1X Media Access Control\u003c\/li\u003e\n\t\u003cli\u003eSecure Boot\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"FirstShop","offers":[{"title":"Default Title","offer_id":53026483143023,"sku":"GSC3518HS","price":5299.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0457\/5893\/9300\/files\/gsc3518hs-speakers-1240154555.jpg?v=1779461821","url":"https:\/\/www.firstshop.co.za\/products\/grandstream-sip-multicast-intercom-talk-back-horn-speaker-gsc3518hs-390483","provider":"FirstShop","version":"1.0","type":"link"}