Application:
Installed in the weak current room or sub-control room of each broadcast management area, with high-fidelity amplifier, used for program playback and local broadcasting in halls, corridors, outdoor and other areas.
Product features
◆ Functions with signal indication, peak shaving indication and overload indication ;
◆Using embedded computer and DSP audio processing technology application, high-speed industrial-grade single-chip chip, startup time is less than 1 second.
◆Support TCP/IP. UDP. IGMP (Multicast Protocol) enables networked transmission of 16-bit stereo CD quality audio signals.
◆With professional analog amplifier, 80W fixed resistance (4-16Ω) and constant voltage (70V, 100V) power output.
◆ Dual USB interface, 1 USB support assigning address code, and the other USB supports external Bluetooth or U-segment wireless microphone input.
◆ 1 three-wire sound control strong cut output interface, no need to cut the power supply, can effectively reduce wiring, 1 short circuit alarm input.
◆Intelligent power management, automatically cut off the power of the power amplifier when there is no music or call, automatically turn on the power amplifier power when there is a signal, and support the function of remotely turning on the power amplifier.
◆Support silence intensity preset reduction function, support background accompaniment preset function; Support status light display including level indicator. Protection indicator. Standby indicator, etc. The standby power of the whole machine is less than 3W, which meets the national environmental protection and energy-saving certification standards.
◆Support DHCP, compatible with routers, switches, bridge gateways, modems, Internet, 2G, 3G, 4G, multicast, unicast and other network structures.
◆Digital products, easy expansion, not limited by geographical location, no need to increase computer room management equipment, adopt the design concept of common network and line-free construction which is easy installation.

Specification:
◆Network interface: RJ45
◆Transfer rate:100Mbps
◆Supported protocols: TCP/IP, UDP, IGMP (multicast)
◆Audio format:MP3/MP2
◆Audio mode: 16-bit stereo CD quality
◆Sample rate:8K~48KHz
◆Bit rate: 8K～512Kbps
◆Rated power:80W-550W
◆Standby power consumption:＜3W
◆Frequency response:80Hz~16KHz(-3dB,0dB)
◆THD≤1%
◆SNR:≥65dB
◆Protection circuit: DC output. Protection circuit in case of overload, over-temperature, short circuit.
◆Input power:AC220V/50Hz
◆Size:484×340×88mm