1. The front panel is equipped with a 4.3" display screen for viewing and setting system parameters, operated via multi-function shuttle keys; 2. 1 RS232 interface, 1 RS485 interface, and 2 LAN network interfaces for connecting external communications such as cameras and central control systems; 3. 8 RJ45 microphone interfaces, 1 3-pin audio input interface, 1 3-pin audio output interface, 1 XLR output interface, and 1 set of RCA stereo output interfaces, meeting the needs of local sound reinforcement, conference recording, and remote video conferences; 4. 1 Dante network interface, supporting 2*2 Dante audio input and output; 5. 1 USB interface, supporting local recording with a USB flash drive inserted; 1 Type-C interface, supporting connection to a USB sound card device for audio output; 6. Equipped with a fire alarm linkage trigger interface. When an external fire signal is input, it can trigger microphone muting and broadcast an alarm signal simultaneously; 7. Built-in Bluetooth function, supporting connection to audio signals from third-party devices; 8. The host supports simultaneous access to wired units and wireless units. The wired and wireless units have the same appearance for flexible use; 9. Supports AP hotspot, facilitating mobile phones/computers to wirelessly connect to the conference host and adjust parameters in a browser; 10. Supports three camera communication protocols: Pelco-D, Pelco-P, and Visca, with video tracking function; 11. Supports hot-swapping of microphone units, plug-and-play without additional settings; 12. Supports independent or unified adjustment of input volume, AGC, and EQ parameters for each speaking unit; 13. Supports multiple conference speaking modes such as request-to-speak, speech restriction, chairperson priority, first-come-first-served, and time-limited speech; 14. Supports conference check-in, voting, and service call functions; 15. Equipped with a Web management interface. No software installation is required; system configuration, conference management, and firmware upgrade can be completed via a browser; 16. Supports exporting conference data (check-in records, voting results, etc.) in Excel/PDF formats for easy filing and reporting; 17. Bluetooth supports the A2DP protocol, enabling wireless playback of background music or mobile device audio with a delay of ＜100ms; 18. The video tracking response time is ＜1.5 seconds, supporting linked switching of up to 4 PTZ cameras; 19. Customizable "one-key conference" scenarios (e.g., startup + check-in + camera tracking + recording) to improve operational efficiency; 20. Supports user permission grading (administrator/operator/visitor) to prevent misoperation of key settings; 21. Built-in NTP network time synchronization to ensure accurate timing of conference logs and event records;