Free delivery on orders over $99 Same-day dispatch before 2pm AWST 25+ years trusted service Proudly WA family owned Free delivery on orders over $99 Same-day dispatch before 2pm AWST 25+ years trusted service Proudly WA family owned
Grandstream GSC3518HS is a rugged SIP/multicast talk-back horn speaker designed for large indoor and outdoor venues, delivering up to 126 dBA with a 50W speaker, IP66-rated weatherproofing, and advanced AI noise reduction for crystal-clear communication. It’s ideal for schools, hospitals, warehouses, parks, and public spaces where powerful announcements and two-way communication are needed.
Key Features
High-Power Audio
50W high-fidelity speaker
Loudness up to 126 dBA for wide coverage
Crystal-clear HD audio output
Durability & Protection
IP66-rated dust and water resistance
Stainless steel housing for extreme weather conditions
Suitable for outdoor environments like playgrounds, parks, and warehouses
Smart Communication
SIP and multicast support for integration with VoIP systems
Talk-back functionality with 3 built-in microphones
AI-based noise reduction for clear communication even in noisy environments
Intelligent text-to-speech capability
Power & Connectivity
PoE++ input and PoE+ output for device cascading
Easy integration into existing network infrastructure
