Built in high-efficiency full frequency speaker unit, high sensitivity, clear and bright sound;

Outdoor wall mounted installation, sturdy and durable, with good waterproof performance;

The device is designed using embedded computer technology and DSP audio processing technology;

Using high-speed industrial grade chips with a startup time of less than 1 second;

Built in 1 network hardware audio decoding module, supporting TCP/IP, UDP, IGMP (multicast) protocols;

Realize networked transmission of audio signals with 16 bit stereo CD sound quality;

Built in D-class 60W digital amplifier circuit, with delicate sound quality and strong power;

1 set of short-circuit signal input, which can trigger local alarm through software settings;

One set of short-circuit signals triggers output to drive other linkage devices;

Software can be used to remotely upgrade and update firmware;

Support 1000 level custom audio priority mute control;

Support PSTN telephone broadcasting and SMS voice broadcasting;

Support mobile WIFI on-demand and wireless remote control on-demand;

Support server unified authorization operation management function, unified configuration management of users and passwords;

Supports DHCP, compatible with routers, switches, bridge gateways Modem、Internet、2G、3G、4G、 Any network structure such as multicast, unicast, etc;

Support intelligent voice prompt function for terminal new configuration registration (if the device is already connected);

Support 15KV ESD protection, built-in network isolation and lightning protection processing circuit;

1 PC download IP address serial port, used to modify the IP address of the network decoding module;

Digital networked products, easy to expand, not limited by geographical location, and no need to add data center management equipment;

Adopting the design concept of shared network without line construction, the installation is simple;

The equipment power supply adopts a switch mode power supply design, and can work normally with AC100~240V voltage;