1. Comply with IEC60914, GBT15381-94 international standards

2. Metal panel design, the overall high-grade solemn, in line with modern aesthetic standards

3. The unit is powered by the system host. The input voltage is 24V, which is a safe range.

4. Unit with 8-core wire interface adopts T-type 8-core connection, and the wire is shielded by full-line aluminum foil, which greatly reduces the interference of strong electromagnetic waves on the wire

5. The unit of the network cable interface adopts super cat-6 network cables, "hand in hand" cable connection mode

6. Professional high-fidelity capacitor microphone, sensitive pickup, clear voice, bandwidth up to 20Hz ~ 20KHz

7. Adopt anti-interference circuit design to prevent interference from electronic products such as mobile phones

8. The microphone head has a two-color speaking light ring, the light ring is always red when the unit speaks, and the light ring is always green when the unit requests to speak.

9. Sensitive touch switch, the pattern is always bright green when standby, the pattern is always bright red after pressing

10. The microphone unit has a headphone output port and a volume adjustment button, which can freely select the output mode and adjust its volume

11. "Hand in hand" connection method, support hot plug, easy installation and maintenance

12. The chairman unit has the function of approving the speech request of the delegate;

13. The chairman unit is not limited by the number of speakers;

14. The chairman unit has the priority function of controlling the order of the conference;

15. The connection position of the chairman unit is not restricted;

16. A system can support the use of multiple chairman units at the same time.