An IP PA system uses Internet Protocol (IP) to deliver voice announcements, audio alerts, and background music over a digital network such as LAN or WAN. Unlike analog systems that need separate cabling, IP-based solutions transmit data and power through the same Ethernet cable, often using PoE (Power over Ethernet). https://akomtechnologies1.blogspot.com/2025/09/how-ip-pa-system-improves-safety-and.html