Features

• High-grade aluminum 2U black brushed panel, rack-mounted installation, elegant and generous appearance;
• Adopts Linux system, stable performance and fast operation;
• Uses DSP software audio codec solution to realize network transmission of 16-bit stereo CD-quality audio signals;
• Receives platform instructions and audio signals, supports remote volume control via the platform;
• Supports remote upgrade of the unit via the platform;
• Supports zone and group broadcast functions of the unit via the platform;
• Built-in 2-channel intelligent power management, with total output power up to 1000W;
• 10-bit LED level dynamic indication;
• Built-in bell/siren output with priority function;
• 10-channel input (5 microphones, 3 lines, 2 emergency);
• Independent volume adjustment for each input channel;
• Equipped with master volume, independent treble and bass adjustment;
• Has mute function, automatic mute down to -30dB;
• Equipped with 4 AV output interfaces, which can connect 4 power amplifiers or post-stage power amplifiers;
• Equipped with 1 quiet mode switch, which can turn on or off the quiet mode as needed;
• Equipped with 1 signal ground/floating ground switch, which can be selected according to on-site debugging;
• Audio output has 3 gain selection switches (0.775V/1V/1.5V), factory default output 0.775V;
• Equipped with 1 power signal input and 1 power signal output, realizes strong insertion and strong pull function through the built-in strong insertion module;
• 3-wire paging control cut output interface, no need for DC24V paging power supply, and unlimited number of paging controls without exceeding the power amplifier power;
• Also compatible with 4-wire paging controllers, requiring external DC24V power supply;
• Supports DHCP, compatible with routers, switches, Internet, multicast, unicast and any network structure;
• Built-in network isolation and lightning protection processing circuit;
• Adopts DC24V and AC100-240V dual power supply, automatically switches to DC24V DC power supply when there is no mains input;

Technical Specifications

• Network interface: Standard RJ45 input;
• Supported protocols: HTTP, HTTPS, UDP, TCP/IP, RTP, RTSP, RTMP, MQTT, FTP, SIP;
• Audio formats: mp3, wav;
• Sampling rate: 8K - 48KHz;
• Network transmission rate: 100Mbps;
• Audio source output interface: 4-position lotus socket (RCA);
• Audio output level: 775 ~ 2500MV adjustable;
• Power output interface: National standard three-pin socket;
• Audio output impedance: 470Ω;
• Frequency response: 20Hz - 20KHz;
• Harmonic distortion: THD ≤ 0.3%;
• Signal-to-noise ratio: ≥ 80dB;
• Operating temperature: -20℃ ~ 70℃;
• Operating humidity: 20% - 80% relative humidity;
• Power consumption: ≤ 15W;
• Input power: AC110-220V/50Hz;
• Dimensions: 485 × 350 × 90mm;
• Net weight: 6.5Kg;