Features

• Brand-new ABS plastic shell with iron mesh grille, integrating one-way receiving digital decoding terminal and active ceiling speaker;
• Adopts domestic integrated chips and Linux system, featuring excellent stability, security, portability and flexibility, which is incomparable to single-chip solutions;
• CPU: ARM Cortex A7 @ 900MHz;
• Audio Codec: Supports software codec, compatible with G.711, G.726, ADPCM, and audio 3A (AEC/ANR/AGC);
• Standard 1×10/100M RJ45 network communication interface, supporting LAN and WAN deployment;
• Built-in 1-channel network hardware audio decoding module, enabling real-time/timed music playback;
• Sampling rate adjustable in the background, allowing free selection of the highest sampling rate in the LAN for optimal sound quality (supports WAV 8K/16K/44.1K, AAC 16K/44.1K/48K optional);
• Background hardware resource monitoring, displaying CPU and memory usage ratio, and continuous running time;
• The device supports remote upgrade of standalone and batch units in LAN and WAN, facilitating efficient and fast customer service;
• Supports POE universal international standard IEEE 802.3af (15.4W) protocol;
• Built-in Class D 20W power amplifier circuit, with delicate sound quality and strong power, low distortion;
• 5.25-inch full-range speaker unit, covering full frequency range, with clear, bright and pleasant sound quality;
• When equipped with a POE-powered POE switch, only one network cable connection is required, featuring simple construction and low cost;
• Power output up to 10W when powered by a POE switch, or up to 20W with an external DC12V/2A power adapter when using a common switch;
• 1-channel short-circuit signal input, for connecting linkage trigger signals to trigger terminal alarms in emergencies;
• 1-channel short-circuit signal output, for linking and triggering other devices in emergencies;
• Supports DHCP, compatible with routers, switches, Internet, multicast, unicast and any network topology;
• Built-in network isolation and lightning protection circuit;

Technical Specifications

• Network Interface: Standard RJ45;
• 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 Mode: 16-bit stereo CD-quality sound;
• Power: 10W (when powered by POE), 20W (DC12V/2A);
• Speaker Unit Specification: 5.25"×1;
• Output Frequency: 100Hz ~ 15KHz;
• Harmonic Distortion: ≤ 1%;
• Signal-to-Noise Ratio (SNR): ≥ 80dB;
• Operating Temperature: -20℃ ~ 70℃;
• Operating Humidity: 20% ~ 80% relative humidity;
• Power Consumption: 24W;
• Input Power: POE/DC12V;
• Cutout Size: Φ175mm;
• Product External Dimensions: 194×131mm;
• Installation Type: Ceiling-mounted;
• Shell Material: Brand-new ABS material;
• Weight: 1.25kg;