First-class balanced indoor wall-mounted speakers, medium gray wooden shell, iron meshThe equipment is designed with embedded computer technology and DSP audio processing technologyHigh-speed industrial-grade chips are used, and the startup time is less than 1sBuilt-in 1-channel network hardware audio decoding module, supporting TCP/IP, UDP, IGMP (multicast. protocolsRealize network transmission of 16-bit stereo CD-quality audio signalsBuilt-in Class D stereo 2×25W amplifier circuit, with delicate sound quality and strong powerAdopt 5.25-inch mid-bass unit and 1.5-inch tweeter unit to provide clear language performance1 stereo line input, 1 microphone input, each with independent sealed volume potentiometer, never adjust noise1 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, completes automatic pairing, ensures 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/BluetoothAdopting 48kHz/16bit sampling rate to meet the requirements of high-quality audio transmissionAll 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 consumptionThe device IP address has a reset button, and the initial settings can be restored when the IP address is lostBuilt-in audio processing circuit, support multi-channel signal amplification, mixing, support 3-level audio signal priority managementSupport 1000-level custom audio priority mute controlSupport PSTN telephone broadcasting, support SMS voice broadcastingSupport mobile WIFI on-demand, support wireless remote control on-demandSupport server unified authorization operation management function, unified configuration management user and passwordSupport DHCP, compatible with routers, switches, bridge gateways, Modem, Internet, 2G, 3G, 4G, multicast, unicast and other network structuresSupports intelligent voice prompt function when registering new terminal configuration (if the device is connected.Supports 15KVESD protection, built-in network isolation lightning protection circuitDigital network products, easy to expand, not restricted by geographical location, no need to add room management equipmentAdopts the design concept of common network free line construction, easy to installThe equipment power supply adopts a wide voltage external adapter design, AC100~240V voltage can work normally 
