Gonsin Conference Equipment Co., LTD.
Gonsin Conference Equipment Co., LTD.

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Central Control Unit

Conference Equipment
Conference Audio System
Conference Audio Solutions
Central Control Unit
Conference Equipment
Conference Audio System
Conference Audio Solutions
Central Control Unit

Central Control Unit TL-Z4


Central Control Unit Tl Z4


  • In compliance with IEC60914 international standard

  • With full digital audio technology, built-in high-speed CPU, and high-performance DSP digital audio processor, CD sound quality

  • Acoustic frequency response can be up to 20Hz~20KHz

  • Black tempered glass panel design, simple and high-end design. All the function divisions are clearly layout and easy to operate

  • The server comes with a built-in OLED panel to display system status, active mic, speaking mode. The language supports Chinese/ English. Russia, Spanish can be customized.

  • Navigation knob for more convenient operation and management

  • 4 route port to connect conference units, the system has an auto-repair function, support hot plug-and-play

  • One central control unit is able to accommodate 60-70 microphones. By cascading extension units, the system can support up to 4096 conference units

  • Universal voltage power switch for wider usable range and sufficient power supply

  • Support USB auto recording: after the front panel is inserted U disk, audio recording can be set automatically or manually. The recording status can be displayed in real-time

  • Optional HD video camera tracking matrix, switcher, or HD camera, can realize HD automatic camera tracking, supporting the preset overall view

  • 4*1+1 video matrix is built in the Central Control Unit, and standard definition video conference camera is selected, which can realize automatic camera tracking function of standard definition and support preset overall view

  • Input port for external audio signal: for alarm audio, PA, and other audio systems, the conference units can output audio signals synchronously

  • Internal clock and calendar will be displayed on the central control unit, conference units

  • Built-in auto-detection for conference units; before conferences, self-test can be run for each conference unit

  • TCP/IP PC communication between the central control unit and PC, which can achieve control management, remote fault diagnosis, and remote update

Stand-alone Mode Functions:

  • ID number writing: the conference system supports automatically or manually assigns an ID to the corresponding equipment

  • All or individual units' VOX sensitivity is adjustable (apply to 5600 series)

  • LCD screen contrast of Unit is adjustable (apply to 4200 series)

  • Speaking mode: Operator, Auto, FIFO, VOX, request to speak (with software)

  • VOX function: in VOX mode, the unit will be activated when the user speaks; VOX sensitivity can be adjusted by the server ( high, middle, low); microphone time-out is adjustable ( 6-180 seconds)

  • 1-4 delegate units can be used simultaneously (except chairman unit); chairman/vice-chairman unit are not subject to active mic limit, it's allowed to open at any time.

  • The system can have multiple chairman units; the delegate units can be set as vice-chairman units. There are unlimited chairman and vice-chairman units

Extended functions under PC and software control

  • Register function and real-time participants statistics

  • In centralized conference management, the operator can allow or reject delegate requests to talk

  • Speaking time limit can be preset for conference units; After the speaking time is up, the conference unit will be off

  • Conference audio recording and video recording(need audio video capture card)

  • Delegate units can be set to be vice-chairman units by software; the vice-chairman unit is not subject to active mic limit

  • Support management software dual-system hot backup function; One control computer can be set as backup and connect to the system; if the current computer has faults, the backup computer can be automatically hosted to ensure a smooth and continuous meeting

  • Conference management software can be customized



Central Control Unit TL-ZB4


Central Control Unit Tl Zb4


Based on functions of Central Control Unit TL-Z4, Central Control Unit TL-ZB4 has functions below: Extended functions under PC and software control

  • Voting: Yes, No, Abstain. Vote counting and result display are enabled automatically by PC

    - Single-choice and multiple-choice voting

    - First key-press and final key-press voting

  • Election: elect one or more out of N candidates, with 'competitive election', 'equal number election', and 'quick election’

  • 4-key evaluation: Good, Fair, Poor, Abstain

  • Utilize multi-level error correction and data encryption techniques to ensure information security

  • Customized voting options and voting methods, support customized language mode or display screen



Central Control Unit TC-Z4


Central Control Unit Tc Z4


Based on functions of Central Control Unit TL-Z4, Central Control Unit TC-Z4 has functions below:

  • Language interpretation: 1+5 channels

  • Acoustic frequency response can be up to 20Hz~20KHz

  • With an interpreter unit and language distribution port, it can connect Gonsin IR simultaneous interpretation system or FS-FHSS wireless simultaneous interpretation system for compatible use



Central Control Unit TC-ZB4


Central Control Unit Tc Zb4


Extended functions under PC and software control

  • Voting: Yes, No, Abstain. Vote counting and result display are enabled automatically by PC

    - Single-choice and multiple-choice voting

    - First key-press and final key-press voting

  • Election: elect one or more out of N candidates, with 'competitive election', 'equal number election' and 'quick election’

  • 4-key evaluation: Good, Fair, Poor, Abstain

  • Utilize multi-level error correction and data encryption techniques to ensure information security

  • Customized voting options and voting methods, support customized language mode or display screen

  • Language interpretation: 1+5 channels

  • Acoustic frequency response can be up to 20Hz~20KHz

  • With an interpreter unit and language distribution port, it can connect Gonsin IR simultaneous interpretation system or FS-FHSS wireless simultaneous interpretation system for compatible use

Max System Capacity4096
Standard Capacity60~70(different from various models)
Acoustic Frequency Response20Hz~20KHz
SNR>96dBA
Channel Isolation>85dB
Dynamic Range>94dB
THD<0.05%
PowerAC100~240V
Audio Port1 balanced (XLR)/ 2 unbalanced (RCA)
Max Audio OutputLINE OUT: +20 dBu unbalanced
BLANCE OUT: +20 dBu balanced
Output Impedance>1KΩ
External Audio Input0.775V (PHOENIX terminal)
Central Control MethodRS-232
PC Connection MethodTCP/IP
Camera Control MethodRS-485
Max Power Consumption300W
Terminal Connection Port8-pin×4
13-pin×4 (for TC-Z4, TC-ZB4 only)
Channel selection6 (for TC-Z4, TC-ZB4 only)
Display ScreenOLED (61mm×37mm)
Audio recording portUSB (USB
Audio recording File Size0.8M/m
Active Delegate1/2/3/4 (not including chairman unit)
VOX sensitivityH/M/L (76dB/80dB/82dB)
Support Camera Number4 SD cameras (built-in SD matrix), MAX 8 cameras with extended matrix
Video Input PortRCA×4 (1Vp-p 75Ω)
Video Output PortRCA×2 (1Vp-p 75Ω)
Camera Tracking ProtocolPELCO-P/PELCO-D/VISCA
Operating Temperature-0~45°C
Storage Temperature-20~50°C
Dimensions (L*W*H)485mm×350mm×90mm
InstallationDesktop or 19" rack mounting
Weight7.6Kg





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