1. It’s easy to be connected into any WAN or LAN with its convenient HUB function.2. server LED and network LED indicating the communication state between other IP devices and server.3. It can play the digital network audio from server, and it also allows IP audio matrix(D1822) to diliver audio data directly to it without the support of server.4. It is controlled by server, more importanly, it also allows paging or intercom system(D1828) and fire alarm matrix(D1812) to control it directly without the support of server, this unique function makes a faster and more reliable reaction to emergency.5. Ithas an audio channel selector inside, user can use it to select any audio channel from server or IP audio matrix.6. With AOD panel(D1826), user can select any audio program from server.7.It has a SD card and a MP3 player, high-quality sound output.8. It is programmable, the timing programms can be download into local SD card from server to ensure the programs will be executed on time in any unexpected condition such as the server fails or the networks have problem.9.It has a LCD displayscreen and an electronic clock, wich can be synchronized by server automatically to ensure the local timing program will be executed on time.10.X series IP amplifier has PCT( power consumption test) function, the value of PCT displays on the LCD screen.11. The LCD will show a notice of failure if the amplifier is in prtected condition.12.X series amplifier is exclusively designed for PA system featured with its high reliability and stability.13. 3 AUX inputs, 1 MIC input with mute function.14. Master volume control and Individual Volume control for AUX and MIC, treble and bass control.15. Automatic two-speed-fan cooling system.16. Perfect protection including short circuit, over heat, over voltage, over circuit, anti-DC output.17. Auto standby function.