{"product_id":"grandstream-sipmulticast-intercom-talk-back-horn-speaker-gsc3518hs","title":"Grandstream SIP\/Multicast Intercom Talk-Back Horn Speaker | GSC3518HS","description":"\u003cp\u003eThe Grandstream GSC3518HS is a powerful SIP-enabled horn speaker designed for clear, high-volume paging and intercom communication in large indoor and outdoor environments. Featuring a 50W speaker with output up to 126 dBA, it ensures announcements remain clear even in noisy or open spaces such as warehouses, campuses, and public areas.\nEquipped with three built-in microphones and advanced noise reduction, the GSC3518HS supports reliable two-way talk-back communication. It offers SIP and multicast paging, priority-based announcements, and text-to-speech functionality for automated messaging.\nDual network ports with PoE support simplify installation and allow for flexible deployment, while additional line-in and line-out connections enable integration with external audio systems. The device also supports streaming protocols for added versatility.\nBuilt with a durable IP66-rated enclosure, the GSC3518HS is designed to withstand harsh weather conditions, making it ideal for demanding environments requiring dependable, high-quality audio communication.\u003c\/p\u003e\u003cp\u003e50W HD speaker, 3 microphones, AI noise reduction, 1x Ethernet 10\/100 PoE input, 1x Ethernet 10\/100 PoE\/PoE+ output.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Grandstream\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e GS-GSC3518HS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer SKU:\u003c\/strong\u003e GSC3518HS\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Miro","offers":[{"title":"Default Title","offer_id":51763612877085,"sku":"GS-GSC3518HS","price":5758.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0847\/7134\/0573\/files\/19195.jpg?v=1780409936","url":"https:\/\/gdtechnologies.co.za\/products\/grandstream-sipmulticast-intercom-talk-back-horn-speaker-gsc3518hs","provider":"GD TECHNOLOGIES","version":"1.0","type":"link"}