Wall-mounted design, private mold white alloy plastic injection molding, beautiful and elegant craftsmanshipThe terminal adopts embedded technology and DSP audio processing technologyAdopting high-speed industrial-grade chips, the startup time is less than 1sEquipped with a 4.3-inch true color touch screen, accurate touch and sensitive feedbackSuper strong anti-interference performance to avoid the unstable factors of infrared signal operationTeaching materials for touch mode and remote control on-demand serverBuilt-in 2×25W fixed resistance output Class D power amplifier module, beautiful sound and strong powerBuilt-in network hardware audio decoding module, supporting TCP/IP, UDP, IGMP (multicast. protocolsRealize network transmission of 16-bit stereo CD quality audio signalsStereo audio output, can be connected to an external power amplifier or active speakerStereo line input, 1 microphone input, with independent volume adjustment switch1 USB input interface, can realize local USB playback functionBuilt-in analog audio signal backup module, supports constant voltage 70V/100V signal inputWhen the device detects no network signal input or power failure, it automatically switches to input constant voltage signal amplification to achieve dual line redundancy1 short-circuit signal input, can access linkage trigger signal, can trigger terminal alarm in emergency1 short-distance signal output, can trigger other devices in emergency4G microphone has a long transmission distance, after successful connection, it can stably transmit audio data in an open area of more than 20 meters4G has a long transmission distance, and can stably transmit audio data in an open area of more than 20 meters4G+ 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 transmissionExpanded multiple 2.5G channels, effectively avoiding 2.4G signal interference such as WIFI/BluetoothAdopts 48kHz/16bit sampling rate to meet high-quality audio transmission requirementsAll settings have the function of automatic memory when power is off, and personalized settings are more convenient to useAutomatic audio energy detection, when no speech or audio input is detected, the module can output a control signal to control the amplifier to muteHead-mounted design, compact size, ultra-low power consumptionAutomatic management of terminal amplifier power supply, support software programming pre-opening functionSupport intelligent voice prompt function when registering new terminal configuration (such as the device is connected.With 1000-level custom audio priority silent control functionWith server unified authorization operation management function, unified configuration management user and passwordWith digital audio time-lapse breakpoint playback function to ensure broadcast synchronization effectWith PSTN telephone broadcast, support SMS voice broadcast functionWith mobile phone WIFI on-demand, support wireless remote control on-demand functionSupport DHCP, compatible with routers, switches, bridge gateways, Modem, Internet, 2G, 3G, 4G, multicast, unicast and other network structures
