Operating Voltage
DC24V (supplied by main console)
Product Overview
The Harmonai GS-880C/GS-880D is a professional wired daisy-chain touchscreen conference unit with integrated voting functionality, available in two models: Chair Unit (GS-880C) and Delegate Unit (GS-880D). It features a cardioid electret condenser microphone paired with a wide 20Hz–20kHz frequency response to ensure clear and accurate voice pickup. The built-in voting system supports meeting polling and decision-making, while the intuitive touchscreen interface simplifies operation. Powered by safe DC24V (supplied by the main console) and connected via Cat 6A Ethernet cable, it delivers a signal-to-noise ratio >80dB and total harmonic distortion <0.05%, making it a reliable solution for medium-to-large conferences, government agencies, and enterprise environments.
Input/Output Interface
8P-DINT connector, Cat 6A Ethernet cable
Microphone Type
Cardioid electret condenser
Sensitivity
-46 dBV/Pa
Frequency Response
20Hz ~ 20kHz
Input Impedance
2 kΩ
Directivity (0°/180°)
>20 dB (at 1 kHz)
Equivalent Noise Level
20 dBA (SPL)
Maximum Sound Pressure Level
125 dB (THD < 3%)
Signal-to-Noise Ratio
>80 dB
Channel Crosstalk
>80 dB
Total Harmonic Distortion
<0.05%
Typical Applications
This unit is designed for medium-to-large conference systems in government agencies and enterprises, supporting daisy-chain deployment. Its integrated voting capability makes it ideal for formal decision-making meetings, congresses, and board meetings. The touchscreen interface lowers operational barriers and suits diverse environments—including multimedia conference rooms, academic auditoriums, and training centers.
For more product details or customized conference system solutions, contact the Harmonai professional team.
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