Operating Voltage
DC24V (supplied by host)
Product Overview
The Harmonai GS-880C/GS-880D is a professional wired push-to-talk conference system unit for chairpersons and delegates, equipped with a cardioid electret condenser microphone. It delivers a wide 20Hz–20kHz frequency response and ultra-low <0.05% total harmonic distortion (THD), ensuring clear, natural vocal reproduction. Units connect via 8P-DINT cables and Category 6A Ethernet cables and are powered centrally by the conference host (DC24V). Dual-mode switching between chairperson and delegate operation supports formal meetings, seminars, and voting applications.
Input/Output Interfaces
8P-DINT cable, Category 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 (SNR)
>80 dB
Channel Crosstalk
>80 dB
Total Harmonic Distortion (THD)
<0.05%
Typical Applications
Ideal for formal meetings in government agencies, enterprises, and academic institutions—including congresses, board meetings, hearings, and seminars. Supports electronic voting functionality; the chairperson unit controls meeting flow, while delegate units enable orderly speaking. Daisy-chain wiring ensures clean, efficient installation—making this unit a core terminal in professional digital conference systems.
For more information on Harmonai conference system solutions and product details, contact us for professional quotations and technical support.
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