The IP network 8 zone audio adapter with decoder is the main equipment of the IP network PA system. It is built-in decoder which can decode the network audio signal into analog to feed in analog amplifier. It is also built-in an eight zone speaker selector can split one amplifier into 8 zones to power different loudspeaker zones. The IP network 8 zone audio adapter with decoder is ideal sound system solution for multiple room sound system, it could be set up over existing network LAN/WAN and internet work, support more than 300 decoders online at the same time. There are eight zone contact outputs to third party for zone status monitoring. It is designed in 1U height of rack mount. Program controllable power supply of AC 230V or 110V.