Grandstream GSC3506 V2, SIP/Multicast Talk-Back Speaker, no mic, 30W HD speaker, 1x Ethernet 10/100 PoE, Wi-Fi, no PSU

GSC3506 is a one—way speaker with SIP support, which allows you to create effective voice communication systems in offices, schools, hospitals, apartment buildings and other premises, ensuring their protection. This reliable SIP speaker delivers crisp sound thanks to its excellent 30W HD speaker. The GSC3506 supports built-in white, black and gray lists for blocking unwanted calls, SIP and multicast paging, group paging and PTT. Users can easily create a state-of-the-art solution for hands-free messaging and security. With its modern design and wide range of features, the GSC3506 is the perfect SIP speaker for any environment.