Wall-mounted design, private mold white alloy plastic injection molding, beautiful and elegant craftsmanship The terminal adopts embedded technology and DSP audio processing technology Adopting high-speed industrial-grade chips, the startup time is less than 1s Equipped with a 4.3-inch true color touch screen, accurate touch and sensitive feedback Super strong anti-interference performance to avoid the unstable factors of infrared signal operation Teaching materials for touch mode and remote control on-demand server Built-in 2×25W fixed resistance output Class D power amplifier module, beautiful sound and strong power Built-in network hardware audio decoding module, supporting TCP/IP, UDP, IGMP (multicast. protocols Realize network transmission of 16-bit stereo CD quality audio signals Stereo audio output, can be connected to an external power amplifier or active speaker Stereo line input, 1 microphone input, with independent volume adjustment switch 1 USB input interface, can realize local USB playback function Built-in analog audio signal backup module, supports constant voltage 70V/100V signal input When the device detects no network signal input or power failure, it automatically switches to input constant voltage signal amplification to achieve dual line redundancy 1 short-circuit signal input, can access linkage trigger signal, can trigger terminal alarm in emergency 1 short-distance signal output, can trigger other devices in emergency 4G microphone has a long transmission distance, after successful connection, it can stably transmit audio data in an open area of more than 20 meters 4G has a long transmission distance, and can stably transmit audio data in an open area of more than 20 meters 4G+ automatically searches for channels with less interference and completes automatic pairing to ensure that the product does not cross-frequency, has strong anti-interference and stable transmission Expanded multiple 2.5G channels, effectively avoiding 2.4G signal interference such as WIFI/Bluetooth Adopts 48kHz/16bit sampling rate to meet high-quality audio transmission requirements All settings have the function of automatic memory when power is off, and personalized settings are more convenient to use Automatic audio energy detection, when no speech or audio input is detected, the module can output a control signal to control the amplifier to mute Head-mounted design, compact size, ultra-low power consumption Automatic management of terminal amplifier power supply, support software programming pre-opening function Support intelligent voice prompt function when registering new terminal configuration (such as the device is connected. With 1000-level custom audio priority silent control function With server unified authorization operation management function, unified configuration management user and password With digital audio time-lapse breakpoint playback function to ensure broadcast synchronization effect With PSTN telephone broadcast, support SMS voice broadcast function With mobile phone WIFI on-demand, support wireless remote control on-demand function Support DHCP, compatible with routers, switches, bridge gateways, Modem, Internet, 2G, 3G, 4G, multicast, unicast and other network structures
