IS-650 is a IP Horn (POE)  provide a user-friendly control and simple voice broadcasting. The product  is designed to provide easy use for any office,department store,factory,school to be able to quickly broadcast announcements to their any assigned office or branch or classes  
IS-650 can work P to P ,IP to IP and Compatible with IP-PBX,Traditional PBX,Asterisk,Trixbox,SIP Server
Option: IP Broadcasting System
User can broadcast announcements to a group of office or branch or classes. 
IBS-5: handle 5 pcs IS serial devices
IBS-10: handle 10 pcs IS serial devices
IBS-20: handle 20 pcs IS serial devices
IBS-40: handle 40 pcs IS serial devices
IBS-60: handle 60 pcs IS serial devices
IBS-80: handle 80 pcs IS serial devices
IBS-200: handle 200 pcs IS serial devices
*Open API for software integration
Features SIP (RFC 3261) compatible Web-based configuration Web-based firmware upgradable High efficiency speaker driver Powerful built-in amplifier:30W Remote control Work with extra IP Speaker Server to make group broadcast Specifications:  Speaker:11 x 20,3 cm ( 8 Zoll ) Protocols:SIP (RFC2543,RFC3261) Codec:G.711 u-Law,G.711 a-Law,G.729A,G.729A/B LAN connection :RJ-45 connector Ethernet I/F 10/100 Mbps Power: Power over Ethernet(POE) IEEE 802.3at (max.30W)
(compatible with non-stardand POE injector and stardand POE Injector both) Dimensions 28 X 20 X 28cm Weight: 2.5kg Warranty 1 year Application: System Integrator Large Multinational Corporation Design firm  
Framework
  IP Speaker Specification Wood speaker Horn speaker Ceiling speaker Wall speaker IP Audio Gateway Model No IS-640 IS-640P IS-650 IS-660 IS-670 IS-381 IS-382 IS-3840 Speaker 8 “ 8 “ 11*8 “ 5” 6.5”+2” --- --- --- AMP circuit V V V V V --- --- V DIM (cm) 17.5x28x24.5x9 17.5x28x24.5x9 28x20x28  19.8x16.6x11 27x15x19.5 17X14.5X4 17X14.5X4 17X14.5X4 Weight (g) 3000 2640 2020 900 2050 265 270 275 Impedance 8Ω --- Rated Power 40W 40W 30W 6W 30W 40W Power supply 110V-240V 1A PoE(30W) 110V-240V  12V/1A 110V-240V 24V/4A Water Protection --- --- IP66 --- IP55,IP-X3 --- Protocol SIP(RFC2543,RFC3261) Codec G.711 u-Law,G.711 a-Law LAN connection RJ45 10/100 Mbps Warranty 1 Year