※ balanced first-class indoor wall speaker, ABS plastic shell (black and white optional), iron red network; ※ equipment using embedded computer technology and DSP audio processing technology design; ※ high-speed industrial chip, start time is less than 1s; ※ Built-in 1 network hardware audio decoding module, support TCP / IP, UDP, IGMP (multicast) protocol; ※ to achieve network transmission 16-bit stereo CD audio quality audio signal; ※ built-in Class D 2 × 20W power amplifier circuit, sound quality, power strong; ※ set up an external microphone interface, with the collar clip, headset microphone use; ※ unique PPT flip and a key black screen function, with the projector, computer display or classroom screen to explain more handy; ※ built-in laser pen, with laser electronic pointer function;
※ built-in language switching function, Chinese and English can be any choice; ※ built-in high sensitivity dual pickup microphone, using manual switching or automatic switching, to achieve the human ear can be aware of all the frequency band to collect the sound source to ensure that no explanation of the content; ※ LCD display display function, can display the volume, power, charging status and channel information; ※ custom key function, allowing users to customize the function according to their needs; ※ USB interface, to achieve charging and data content written to the management operation; ※ built-in lithium battery-powered, USB charging, the use of more convenient; ※ No signal or weak signal, the transmitter automatically enter the silent function mode; ※ long call time, uninterrupted use of more than 8 hours to meet the needs of the user's day of work; ※ with a broken network, off the server's active takeover task function, can achieve the terminal disconnection automatically play; ※ comes with 4G large capacity memory, the program through the network to the SD card storage; ※ built-in high-precision timing digital clock chip, power failure time is not less than 3 years, with the network when the function; ※ high-strength mica carbonated polypropylene film, providing a clear language performance; ※ 1 way line and 1 microphone input interface, with independent volume adjustment; ※ network audio signal can be local adjustment function; ※ The IP address of the device has a reset button. When the IP address is lost, the initial setting can be restored. ※ built-in audio processing circuit to support multi-channel signal amplification, mixing, support 3 audio signal priority management; ※ support 1000 levels of custom audio priority silent control; ※ support PSTN telephone broadcast, support SMS voice broadcast; ※ support mobile phone 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 routers, switches, bridge gateway, Modem, Internet, 2G, 3G, 4G, multicast, unicast and any other network structure; ※ support the terminal configuration of the new intelligent voice prompts when the registration (such as the device is connected); ※ support 15KVESD protection, built-in network isolation lightning protection circuit; ※ 1 PC download IP address serial port, used to modify the network decoding module IP address; ※ digital network products, easy expansion, from geographical restrictions, without the need to increase the room management equipment; ※ the use of common network construction of the design concept, easy to install; ※ Equipment power supply using switching power supply design, AC100 ~ 240V voltage can work properly;
