1. Adopt all-digital integrated circuit technology, integrating conference discussion, video tracking, electronic sign-in and voting.

2. Seven speech modes: first-in, first-out, first-in, first-out, chair-only, limited speech, free discussion, overwhelming rotation, and application for speech.

3. Number of seven speakers: 1-6 (optional), N (full open).

4. Use the touch-sensitive nine-key control menu and support Chinese/English switching functions;

5. Adopt 800X480 high image TFT 4.3 inch color screen display system setting content;

6. With anti-howling function, turning on the frequency shift function can effectively suppress howling, expand the volume, increase the pickup distance, ensure the transmission quality of voice, high fidelity and clear sound.

7. Universal USB recording interface, support hot swap; insert U disk to record, convenient for meeting content archive.

8. Prepare PC software, computer control is free to control. The main screen/sub screen simultaneously displays the voting content, highlighting the openness of the meeting.

9. The RS232 port can be connected to a PC, combined with the encryption software to operate, or connected to the central control, making the conference equipment more intelligent.

10. The host can connect 60 conference microphone units, which can be connected in parallel in four channels, and each unit can connect 20 units, which can increase power extension or data expansion infinitely.

11. When the connection status is abnormal, the front edge will be generated. Press the OK button to stop the tweet; and the intelligent power-off memory function can memorize the running status of the program. If the power is turned off unexpectedly, the last setting will be restored after power-on.

12. Built-in telephone coupler input and output ports for remote conference calls.

13. Connect the video camera to realize real-time video tracking function, support 4 camera signal input, 2 video output; three camera communication protocols, compatibility: Pelco_D, Pelco_P, VISCA.