Grandstream GSC3506 v2

GSC3506 v2
Multicast Paging Speaker
The GSC3506 v2 is a multicast paging speaker that provides a powerful paging and public address solution to expand security and communication throughout offices, schools, hospitals, apartments, and more.

30W high-fidelity speaker with HD acoustic chamber
Supports SIP paging, multicast paging, call waiting with priority override, and more
Supports full-band and wide-band audio codecs, including Opus and G.722
1x 3-pin differential line out port
Ports include 1x 2-pin switch-in input, 1x alarm-in input, 1x DC24V, 1x network, and 1x USB port; Keys include volume up/down, and reset
One 10/100Mbps network port with PoE/PoE+/PoE++