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Premium conference controller-Full digital premium conference controller RX-M6620/VB
Premium conference controller-Full digital premium conference controller RX-M6620/VB
Product description:

Full digital premium conference controller is core component of RESTMOMENT ADCS conference system. It realizes the communication with speaking units and PC management software functional modules. It centralized controls discussion, video tracking, voting and recording through 5 directional navigation key board of the front panel and 2.8 inch LCD screen.

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Ø Restmoment original full digital conference technique, compliant to IEC 60914 and IEC 60065 international standard and GBT15381-94 national standard.

Ø Adopt high speed RISC embedded hardware structure, more reliable, faster

Ø True full digital conference technique; digital signal for controlling and transmission; professional 6 pin cable for connecting; remote transmission won’t influence on sound quality. Distance between equipments could reach at 150m

Ø Sampling frequency reaches 48K; Frequency response is 20Hz – 20KHz which is close to CD sound quality

Ø It controls this integrated system through navigation key board of the panel.

Ø 2.8 inch LCD, Chinese/English menu display, can order any language.

Ø Self restraint return function. System can adjust input/output signal.

Ø User-defined ID number to aviod the colliding of ID address.

Ø System self-checking function which can check system list and working status. Also it can position the fault.

Ø System support 150 chairman units, could specify one as chief chairman.

Ø Strong anti-interference from mobile phone;

Ø Support”PnP” to keep system’s safty and stability.

Ø Built-in MP3 recorder. Users can record the whole conference audio by USB or SD card. It supports replay.

Ø Support 128G flash memory and 2000 hours audio content.

Ø Once the external audio source enter into MP3 recorder, the system will record it automatically.

Ø Memory devices exchanging function. User can change the memory device during recording. And the audio content will not be lost. Recorded content can be played or replayed.

Ø Conference monitoring function which can control the conference process dynamically.

Ø Support conference rooms splitting/combining.

Ø Built-in 8X8 video matrix switching.

Ø 2 X RS-232 ports which can connect PC and central control system.

Ø Support video tracking function. It can control cameras offline to setup presetting bit.

Ø It has RS-422, RS-485 and RS-232(need convertor) video control modes.

Ø It has emergency broadcast signal port.

Ø Built-in balance and unbalance audio input/output ports.

Ø 5 MIC management modes

    ● Limited mode, set the number of delegates permitted to speak at the same time (1/2/3/4)

    ● FIFO mode, microphone key control with override of the active microphones

    ● Apply mode, microphone key with request-to-speak registration

    ● Voice-activated microphones

    ● Free discussion mode

Ø 5 unit output channels and support 125pcs speaking units. Working with conference expandable main unit, the whole system can contain 65335 units

Ø System has “Line hand in hand connection”, “Y type connection”, “distribution box connection”, “audio box connection” and “ring type hand in hand connection”

Ø System has “Conference” and “Speech” modes.

Ø Support key sign-in and making up sign-in function. Sign-in can be real-time displayed dynamically.

Ø Conference main unit can activate sign-in, voting, response and scoring. User can setup the countdown and the result will be display on LCD of all equipments

Ø Can choose “mark name” or “anonymous” vote. All the materials can be exported and printed in graphic way.

Ø It adopts RS-232 protoco connection between system controller and PC. The transmission is safe and stable.

Ø Aluminium alloy case, antistatic. It can prevent 8000V static.

Ø The system passes ISO9001 certification and has ROHS, CE, FCC, CCC certification.

Ø Adopts 2U international standard design which can be installed in 19inch case.

Ø Built-in international common use power and stabilized system.

Ø Working with conference management software to achieve more increment functions



Working power

AC100~ 120V, 8A / AC220 ~240V, 4A

Working consumption

Depends on the quantity of connecting unit: Single unit 25W, Maximum 400w


2.8 inch screen


Chinese/English or custom made

Capacity of each way


Unit capacity

125 multi-function units, expandable

Transmission distance


Voltage of unit output port


Audio output

RCA X 2 2V p-p  

6.3mm x 1  -50Db  

XLR x 1   -50dB

Audio input

RCA X 2 2V p-p    

XLR X 1  -50dB

Output impedance


Frequency response

20 ~ 20KHz



Dynamic range


Total harmonic distortion


Channel separation


Channels quantity


Unit ID number

User defined

Quantity of possible chairman units


Serial port control

2 serial ports which can connect PC or programmable central control system

Working modes

5 modes

Quantity of turnning on units

1/2/3/4/5/6/or all

Speaking limit function


Video control type


6pin mount

6 pin DIN

Balling unit capacity

8 pcs

Video matrix

8x8 channel

Quantity of panorama

8X4 channel  can setup switching time & order

Video output level

RCA X 8  1.08V p-p

Video output impedance


Video bandwidth(-3dB)


Recording function

U disk or SD card

Voting function



Dark grey

Net weight



432L x 90H x 350W mm


Suitable for 19 inch standard stand

Front Panel:

1. Mounting hole for 19 inch stand

2. Front panel of main controller. Aluminum Alloy

3. LCD screen, can adjust the brightness and contrast.

4. Switch, with electrifying indicator.

5. Mounting hole for 19 inch stand

6. Earphone jack for monitoring

7. Recording key: Press to record meeting; Press again to stop recording.

8. Switch to the last audio


10. STOP

11. Switch to next audio

12. USB jack: for U disk

13. MP3 screen: display user’s operation

14. SD CARD slot: for inserting SD card


16. LEFT

17. UP


19. DOWN


Back Panel:

1. Power line port: Input AC100~120V,8A / AC220~240V,4A  50~60Hz

20. RS232 interface(PC):Computer control system interface

21. RS232 interface(CCU):Central control system interface

22. USB interface(CONTROLIN):interface for function extension

23. 6pcs 6P DIN interface(DRAGOMAN):6 channels units’ output interface

24. 6P DIN interface(EXTEND):interface for extension controller, connect to EXTEND IN on extension controller.

25. Video signal output interface (VIDEO OUT):Connect to TV or other external screen via 8 channels.

26. Video signal input interface (VIDEO IN):8 channels input, connecting to camera. 

27. Cannon balance audio output interface (BALANCE OUT): Balance audio output.

28. RCA Audio interface(LINK OUT):Audio output interface of system controller, can connect peripheral amplifying system or recording system.

29. RCA Audio interface(LINK IN):Sound input interface for the third party

30. 6.3mm MIC input socket

31. Cannon balance interface MIC: External MIC

32. RS485 interface:Connecting with camera

33. 2pcs USB interfaces(CONTROL OUT):interface for function extension

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