1. The unit supports dual-link digital and analog backup function, the main and standby audio signals are output at the same time, and the main microphone will not affect the work of the backup microphone when it fails, and the double guarantee ensures the normal progress of the meeting.
2. Built-in 3.5-inch full-view IPS capacitive display, intuitive display is convenient to adjust system settings, and supports discussion, video tracking and speech timing functions.
3. The host has a dual-mode interface, provides 3 groups of 6-channel RJ45 microphone unit interfaces, each channel supports 20 units, supports closed-loop Ethernet link mode, supports bilateral power supply of microphone units, supports microphone unit hot swapping, and has 4 channels of 8-core microphone unit interface, each channel supports 25 units, and can be connected to 100 units.
4. The system has the function of conference service, and the speaking unit can apply for tea, paper and pencil, help and other services.
5. A single host can connect up to 256 conference units by increasing the extended power supply, and up to 1200 conference units can be connected to the conference expansion host.
6. Support 5 conference modes: FIFO (first-in-first-out mode), APPLY (application mode), FREE (free mode), LIMIT (restricted mode), VOICE (voice-activated mode).
7. Conference speech restrictions: the number of units that can speak at the maximum time is 1-8, and the speaking time of the speech unit can be limited (1-1000S), with two modes: timed closure and automatic shutdown, and the chairman unit is not limited.
8. It has camera 232 and 485 communication interface (6P phoenix plug), and supports SONY VISCA, PELCO P/D communication protocol.
9. Built-in 4-in-1-out HDMI HD video switcher;(optional).
10. Support USB recording of conference audio content, high-fidelity WAV format output.
11. It has the function of network collaboration management, and can be connected to the wireless router through the TCP/IP network interface, and supports the computer in the same LAN to operate and set the host.
12. With USB interface, it can be connected to the computer to operate and set the host.
13. With RS-232 (3P phoenix plug), it can be linked with the video matrix and central control system.
14. In line with IEC60914 and GBT15381-94 international standards, using all-digital conference technology, developed based on digital network architecture, built-in high-performance CPU processor, faster processing speed, better sound quality.
15. Adopt anti-interference circuit design to eliminate mobile phone signal interference, and use high-performance switching power supply for power supply, and the signal long-distance transmission will not affect the sound quality.
16. Based on 19 inch standard cabinet design, easy to store and keep.
17. It has 1 balanced audio output interface (XLR), which can be connected to sound reinforcement or recording equipment.
18. It has 1 unbalanced audio output interface (6.35mm), which can be connected to sound reinforcement or recording equipment.
19. It has 1 unbalanced audio input interface (lotus), which can input external audio signals (such as: background music or remote voice signals).
20. Power supply AC110V-220V/50Hz
21. Frequency response 20Hz-20kHz
22. S/N ratio >96dBA
23. Total Harmonic Distortion T.H.D <0.05%
24. Recording connector USB
25. Input connector DIN-8 x4,RJ45 x3 (group)
26. Central controller connector RS-232(3P connector) x1
27. Camera switch connector RS-232(3P connector) x1
28. Video connector (optional) HDMI 4x1 (optional) (Optional installation)
29. Camera control connector 6P connector
30. Computer connecting USB x1 RJ45 x1
31. Audio input RCA(unbal) x1
32. Audio output Audio output XLR(bal) x1, 6.35mm(unbal) x1, RCA(unbal) x3
33. Size(L×W×H) 483×265×88mm
34. Color: Colorur black
35. Installation Installation 19 inch standard cabinet 2U height
：Building 3, Baizhong Creative Park, No. 240 Shilian Road, Panyu District, Guangzhou,Guangdong，China
：+86 13928186280（Same WeChat/Whatsapp account）
：+86 20-34702140 
