Features

• High-grade aluminum 2U black brushed panel, rack-mounted design, elegant and stylish appearance;
• Adopts Linux system for stable performance and fast operation;
• Implements DSP software audio codec solution to enable network transmission of 16-bit stereo CD-quality audio signals;
• Receives platform commands and audio signals, supports remote volume control via the platform;
• Supports remote firmware upgrade of the unit via the platform;
• Supports zone-based and group-based broadcast functions for the unit via the platform;
• Built-in 2-channel intelligent power management, with total output power up to 1000W;
• 10-bit LED level dynamic indicator;
• Built-in bell/siren output with priority function;
• 10-channel input (5 microphone, 3 line, 2 emergency);
• Independent volume adjustment for each input channel;
• Equipped with master volume, independent treble and bass adjustment;
• Mute function with automatic attenuation down to -30dB;
• 4 AV output interfaces, compatible with connection to 4 power amplifiers or post-stage power amplifiers;
• 1 quiet mode switch, allowing manual enable/disable of quiet mode as required;
• 1 signal ground/floating ground switch, selectable based on on-site commissioning;
• 3 gain selection switches (0.775V/1V/1.5V) for audio output, factory default: 0.775V;
• 1 power signal input and 1 power signal output, with built-in hot-swap module for hot-swap capability;
• 3-wire paging priority cut output interface, no DC24V paging power supply required, unlimited number of paging controllers (without exceeding amplifier power rating);
• Also compatible with 4-wire paging controllers, requiring external DC24V power supply;
• Supports DHCP, compatible with routers, switches, Internet, multicast, unicast and any network topology;
• Built-in network isolation and lightning protection circuit;
• Dual power supply (DC24V & AC100-240V), automatically switches to DC24V DC power supply when mains power is unavailable;

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 RCA (Lotus) sockets;
• Audio Output Level: 775 ~ 2500mV adjustable;
• Power Output Interface: National standard 3-pin socket;
• Audio Output Impedance: 470Ω;
• Frequency Response: 20Hz – 20KHz;
• Harmonic Distortion: THD ≤ 0.3%;
• Signal-to-Noise Ratio (SNR): ≥ 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;