Grandstream GSC3518HS

SIP/Multicast Talk-Back Horn Speaker
The 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.

High-powered 50W speaker with maximum volume of 126 dBA, ideal for coverage of expansive outdoor areas
3 microphones, AI-based background noise reduction, and intelligent text-to-speech to ensure every word is heard clearly in talk-back scenarios
Full-band and wide-band audio codec support, including Opus & G.722
Includes differential LINE IN and LINE OUT connections
Supports Airplay, ONVIF, RTSP/HTTP streaming, local audio files, and mobile app playback
SIP paging, multicast paging, call waiting with priority override, and more
One 10/100Mbps network port with PoE/PoE+/PoE++ input, and one 10/100Mbps network port with PoE/ PoE+ output
IP66-rated waterproof and dustproof; includes a durable stainless steel bracket suitable for harsh outdoor environments