1. 8 switchable balanced microphone/line inputs and 8 balanced line outputs; 2. Built-in LCD screen for displaying information such as IP address and preset status. The front panel is equipped with input/output signal status indicator lights, 8 customizable GPIO interfaces, 1 RS232 interface, and 1 RS485 interface; 3. Built-in USB sound card, supporting music playback, recording and soft video conferences (e.g., Tencent Meeting, DingTalk Meeting, etc.); 4. 8-band Parametric Equalizer (PEQ) with 5 filter type options; 5. Each input channel is equipped with Adaptive Feedback Cancellation (AFC), with an acoustic gain improvement of 10dB; 6. Input channel functions include: Adaptive Echo Cancellation (AEC), Automatic Noise Suppression (ANS), Automatic Mixing Console (gain-sharing, AMC), Gate Mixer, Automatic Gain Control (AGC), Ducker, Automatic Noise Compensation (ANC), and support for automatic camera tracking; 7. Output channel functions include: Parametric Equalization, Crossover, Delay, Limiter, and Matrix; 8. Supports storage of 16 scene modes, with scene preset import and export capabilities. The device offers diverse control methods including RS232, TCP/IP, and RS485; 9. Equipped with intelligent central control function, supporting customized control interfaces. It can realize integrated control of meeting room power management, signal switching, environmental control, and audio through the processor, enabling one-key activation of required system functions; 10. Provides a customized operation interface for end-users, supporting management of up to 30 devices on a single interface; 11. Supports enabling/disabling dual-machine data backup function, with customizable master/slave device settings; 12. Supports hierarchical user management with separate permissions, allowing different management levels to be set for different operators to prevent misoperations; 13. Supports backup and recovery functions, power-off memory function, and backup information can be downloaded and saved. It is equipped with an information logging function that automatically generates time-stamped logs for convenient daily maintenance; 14. Adjustable input sensitivity range: 0-48dBu (3dBu step); 15. Audio sampling rate support: 48K/24bit; 16. Equipped with Web-based graphical configuration software. No driver installation is required; full-function debugging and monitoring can be completed via a browser; 17. Supports remote control via mobile APP (iOS/Android), enabling real-time muting, volume adjustment, and scene switching; 18. Automatic camera tracking supports mainstream brand PTZ cameras (e.g., Sony, PTZOptics, Hikvision), with linkage via RS232 or network protocols; 19. Supports Network Time Protocol (NTP) synchronization to ensure accurate and unified timing of logs and event records; 20. Configurable one-key scenes such as "Meeting Mode", "Speech Mode", and "Discussion Mode" to enhance end-user operation experience; 21. Firmware supports OTA online upgrade for continuous optimization of algorithm performance and addition of new functions;