Digital Wireless Chairman Touching Discussion Unit

DWS-2000 Discussion Unit. Digital wireless Conference Touching Discussion Unit. with simple and elegant design, Desktop Unit has OLED display microphone ID, battery level, microphone state, control channel, etc. Equipped function keys to set microphone id, control channel. Only Chairman Unit has priority of the whole meeting and can terminate or discontinue other delegate units who is speaking.


Certifications : NBTC :  A55087-21  |   IEC 60950-1 , ETSI EN 300 220-1 , ETSI EN 300 422-1 , EN 62479 , ETSI EN 301 489-1 , ETSI EN 301-489-9


  • Simple and elegant design.
  • Easy to move and easy to Installation without problem wiring connection.
  • OLED display microphone ID, battery level, microphone state, control channel, etc.
  • Equipped function keys to set microphone id, control channel
  • With electronic volume function, can individually adjust the microphone speaking volume
  • The microphone is designed according to the principle of acoustic space, and with the new anti-howling anti-single-point high-sensitivity condenser microphone core, the conference sound quality can be realized with high fidelity.
  • New concept of anti-electromagnetic interference circuit design to eliminate electromagnetic interference from smart phones and other electronic products
  • Operation distance up to 100 meters with the best condition, 60 meters in normal condition.
  • Ultra-low power circuit design, continuous speaking time is not less than 8 hours, standby time is not less than 12 hours. Can use original rechargeable lithium battery or ordinary AA battery.
  • Chairman microphone can be turn on any time.
  • Chairman unit with priority key to control conference atmosphere


Audio channel
Transmission method UHF Wireless (one way)
Audio channel 4
Carrier frequency band UHF 694.5 ~ 702.7MHz
     748.3 ~ 757.7MHz
Band width 17.8 MHZ
Modulation method FM
Receiving sensitivity -90 dBm
Radiant power ≤ 9 dBm
Audio gain ≤ 20 dBm
Frequency response 20HZ ~ 20KHZ
SIN Ratio >85dB
T.H.D. ≤0.8%
Data control channel
Transmission method Wireless (two-way)
Data channel 20
Frequency Range 433.05 ~ 434.79MHz
Modulation method FSK
Receiving sensitivity -90 dBm
Transmission consumption ≤ 7 dBm
Communication rate 110 KBPS
Frequency deviation <0.003
Gooseneck Microphone
Type Condenser
Polar pattern Unidirectional, Cardioid
Frequency response 50Hz – 18kHz ±3dB
Sensitivity -46 dBV/Pa
Color Black
Connection 4-pin
Microphone stem Length 480 mm
Chairman Unit / Delegate Unit
Carrier frequency band UHF 694.5 ~ 702.7 MHZ,
     748.3 ~ 757.7 MHZ
Frequency response 20Hz – 20KHz
Signal covering range 60M
RF Output Power ≤ 9 dBm
Operating temperature range -10°C – 40°C
Display PMOLED (Passive-Matrix OLED)
Transmitter power ≤ 9 dBm
Power consumption 350 mw – 630 mw
Consumption Rating ≤ 650 mw
Power supply DC 3.7V – 4.5V
General features
Color Black
Dimensions (W x L x H) 185 * 123 * 44 mm
Weight 0.6 kg




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