Frequency Range
630–690 MHz
Product Overview
The Harmonai GS-300C/D Chair/Delegate Unit is a professional daisy-chain conference microphone unit designed for medium-to-large-scale meetings, forums, and voting applications. It features a tactile microphone mute switch for quiet, intuitive operation; an ultra-bright status ring and operational indicator light that provide real-time visual feedback on microphone status; and built-in microphone quantity limiting — when the number of active microphones reaches the preset limit, the indicator light flashes automatically to help maintain orderly proceedings. With a frequency range of 630–690 MHz and frequency response of 50 Hz–18 kHz, it captures vocal detail with precision. Powered by two AA batteries, it offers reliable, portable operation.
Control Signal Frequency
410–480 MHz
Bandwidth
80 MHz
Frequency Response
50 Hz–18 kHz
Maximum Input Sound Pressure Level
130 dB SPL
Maximum Transmit Power
30 mW
Harmonic Emission
< −63 dBm
Current Consumption
< 110 mA
Power Supply
2 × 1.5 V AA batteries
Microphone Switch
Tactile
Ultra-Bright Status Ring
Illuminates when microphone is active
Operational Indicator Light
Illuminates when microphone is active
Microphone Quantity Limit Indicator
Flashes when preset limit is reached
Typical Applications
Widely deployed in government agencies, enterprises, public institutions, and academic organizations for formal meetings, roundtable forums, voting sessions, and training seminars. The daisy-chain connection enables rapid setup; the tactile switch ensures silent, seamless speaker transitions; and the microphone quantity limiting function empowers chairpersons to manage speaking turns efficiently — making it an ideal microphone terminal for medium-to-large conference systems.
For more product details or customized conference system solutions, contact the Harmonai professional team.
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