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Features ultra-long pickup distance and high acoustic gain characteristics.
Comes with a dedicated 2-meter 8-core DIN high-density cable and includes an aviation male plug.
Equipped with an integrated microphone pole (non-detachable), an electret condenser microphone with cardioid polar pattern, and a red speaking indicator light. The light stays solid during speaking and flashes when requesting to speak.
Microphone volume can be adjusted via buttons or the main unit.
When paired with the conference host, audio processing effect parameters of the microphone can be adjusted.
Includes a speaking button on the microphone, and the chairman unit has a chairman priority button. Speaking and numbering can be performed via the microphone speaking button.
Each conference unit has a unique ID number, which can be deleted by long-pressing the microphone speaking button.
The chairman unit can approve delegate requests to speak and has priority functions for fully controlling conference order. The connection position of the chairman unit is unrestricted.
The unit is a passive device, connected to the host via an 8-core DIN high-density cable, powered by the system host with an input voltage of DC12V.
The chairman unit can approve delegate requests to speak.
The chairman unit has priority functions for fully controlling conference order.
The connection position of the chairman unit is unrestricted.
Supports "daisy-chain," "T-type," or "+-type" connection modes.
The D74 Series Intelligent Digital Conference System is built on a professional ARM platform and integrates advanced DSP audio processing with high-fidelity circuit design. Offering high-quality audio transmission and reliable digital control, it provides an all-in-one solution for modern conference applications. The system includes the D74 Series Conference Host—comprising the digital conference system host and conference units—and supports features such as speech discussion, conference cascading, and seamless AI speech-to-text integration. With hand-in-hand connection via 8-core cables and cross-shaped adapters, the system ensures easy installation, stable performance, and strong anti-interference capability.
The conference unit serves as the essential device for participants to engage in and operate the conference. Conference units are the basic devices used by participants to attend and operate the conference. These units include chairman units, delegate units, and speech-only units. Different participants are assigned different types of units; for example, the chairman is equipped with a chairman unit that holds full control and operational authority over the conference order. All units are powered centrally by the control host and feature built-in speakers, headphone jacks, and LED indicators.
The conference units feature ultra-long pickup, high gain, intelligent noise reduction, and real-time feedback suppression for clear and natural sound. They adopt an electret cardioid condenser microphone with a red indicator light and include AI desktop chairman and delegate models with square or gooseneck microphone rods. Each unit has a unique ID that can be reset via the host, while the chairman unit supports request approval and priority control. Powered by the central controller with a 12V input, the units are easy to install, user-friendly, and designed with a sleek modern style.
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