High-grade aluminum 2U black brushed panel, cabinet installation, beautiful and generous The internal circuit adopts full patch technology, the performance is more stable, and the wiring is more beautiful The equipment is designed with embedded computer technology and DSP audio processing technology 3-inch color touch screen display, industrial-grade touch operation mode to achieve human-computer interaction, and sensitive touch feel With local U disk playback function, sequential playback mode, automatic stop after playback Support multiple operation modes (play, pause, song selection, previous song, next song, progress adjustment, volume adjustment. Adopt high-speed industrial-grade chip, the startup time is less than 1s Built-in 1-way network hardware audio decoding module, support TCP/IP, UDP, IGMP (multicast. protocol Realize network transmission of 16-bit stereo CD quality audio signal Comes with 2-way intelligent power management, the total output power can reach 1500W 6-bit LED level dynamic indication It has 1 alarm signal (low level. input, triggers the built-in siren output, and has a priority function 10 audio signal inputs (5 microphones, 3 line channels, 2 emergency channels. Each input channel has independent volume adjustment, and the treble and bass are independently adjusted It has a mute function, automatically mute to -30dB It has 4 AV output interfaces, which can connect 4 pure post-stage amplifiers It has 1 squelch mode switch, which can turn on or off the squelch mode as needed It has 1 signal grounding and floating ground switch, which can be selected according to on-site debugging The audio output has 3 types (0.75V/1V/1.5V. gain selection switches, and the factory default output is 0.75V It has 1 power signal input and 1 power signal output, and the forced cutting function is realized through the built-in forced insertion module Three-wire audio control forced cutting output interface, no DC24V forced cutting power supply is required, and there is no limit on the number of audio controls Compatible with 4-wire audio controllers, external DC (DC24V. power supply required Support 1000-level custom audio priority silent control Support PSTN telephone broadcasting, SMS voice broadcasting Support mobile WIFI on-demand, support wireless remote control on-demand Support server unified authorization operation management function, unified configuration management user and password Support DHCP, compatible with routers, switches, bridge gateways, Modem, Internet, 2G, 3G, 4G, multicast, unicast and other network structures Support intelligent voice prompt function when registering new terminal configuration (if the device is connected. Support 15KVESD protection, built-in network isolation lightning protection processing circuit 1 PC download IP address serial port, used to modify the network decoding module IP address Digital network products, easy to expand, not restricted by geographical location, no need to increase the room management equipment Adopt the design concept of common network free line construction, easy to install The power supply of the equipment adopts a switching power supply design, and it can work normally with AC100~240V voltage