Thinuna VA-760C High sensitivity dual-diaphragm chairman unit

VA-7000 series is a new generation of high-end digital conference system newly developed by Thinuna, with exquisite and elegant design, ergonomic and very modern. Original digital conference IOT syste

  • Model No.: VA-760C
  • Name: High sensitivity dual-diaphragm chairman unit
  • Standard: CE; ROHS

VA-7000 series is a new generation of high-end digital conference system newly developed by Thinuna, with exquisite and elegant design, ergonomic and very modern. Original digital conference IOT system technology, in line with IEC60914 international standard. With speech discussion, camera automatic tracking function. Built-in innovative DSP digital audio processing circuit to improve the clarity of the entire conference system. Adopt square array microphone pole with double diaphragm cardioid directivity, support pickup distance above 80CM, maximum pickup distance up to 120CM. Conference unit with ultra-quiet electronic touch switch, can avoid the mechanical sound amplification of the switch, can control the operation of the microphone pickup. With a bright LED indicator ring to indicate the working status, red when speaking. Support independent adjustment of the gain of the unit, can be adjusted on the unit or computer management software, so that people with different volumes can speak more smoothly. Provide 1 Ø 3.5 mm stereo headphone jack to connect headphone, support the conference host automatically assign each conference unit with a unique ID number, the conference unit supports CAT5 cable or eight-core DIN with shielded cable two connection methods. The chairman unit has a priority button function to turn off the delegate unit that is speaking. The Priority button and the Permit button can be used to control the speaking order and control the conference atmosphere. The system can connect 160 chairman units at the same time, and the chairman unit has the priority function, which can also turn off other delegate units that are speaking. The vice-chair delegate unit can be set, and the speech is not restricted and will not be turned on or off by other delegate units. Support the line with power "hot swap" and the system has automatic repair function.




MIC sensitivity


Frequency response


Dynamic range





< 0.01%

Operating voltage

24V DC±5%

Operating current

40mA ±5%

Microphone Type

Dual cardioid directional electret, 14mm gold-plated microphone core*2

Product structure

Microphone length 17CM, detachable and adjustable angle, built-in dual cardioid directional electret, 8000 diameter less than 0.4MM high-density sound holes distribution outside, waterproof and dustproof.


Zinc alloy embedded Mohs hardness grade 6 touch glass mirror , high sensitivity touch-sensitive control keys, highly sealed, waterproof and dustproof, easy to maintain.

Connection method

Ring hand in hand

Connection port

RJ45 network port or 8-core

Max number of units opened


Numbering function

You can define the ID number by yourself.


High-sensitivity touch-sensitive type

Power consumption


Backup function

With digital and analog dual backup

Equivalent noise

26dBA  (SPL)


136dB (THD<3%)

Headphone output port

Φ3.5mm Stereo jack


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