Grandstream GSC3518HS SIP/multicast talk-back horn speaker up to 126 dBA with a 50W speaker IP66-rated weatherproofing and advanced AI noise reduc(OS)

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

- Design - Modern industrial look - Sturdy mounting bracket for reliable installation

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