Heart-Shaped Conference Microphone with Touchscreen Control Panel and External Recording Device Support for Wired Conference System

The digital conference system chairman unit is a professional-grade audio solution designed for boardrooms, government chambers, and enterprise meeting spaces. It combines digital audio stream processing with a cardioid condenser microphone to deliver rich, clear sound reproduction with reliable speech intelligibility.

• Chairman unit with desktop installation — connects via a dedicated 8-pin aviation interface conference cable. Includes a 2-meter 8-pin cable and supports both "hand-in-hand" and "T-type" connection topologies.
• Digital audio stream processing technology — produces richer, clearer sound quality across the full frequency range.
• Cardioid condenser microphone with dual-color indicator — red during active use, flashing green when requesting to speak. The microphone is detachable during recess periods.
• Effective pickup distance exceeding 30 cm — operates without howling or severe feedback echo.
• 3.5 mm stereo headphone jack — delivers clear audio monitoring with a dedicated volume adjustment knob.
• Shielded circuit design — effectively prevents electromagnetic wave interference in the surrounding space.
• Howling suppression function — actively prevents sound feedback for stable, distortion-free operation.
• Button-based sign-in function — supported when used together with the conference management software.
• Independent ID code — supports automatic camera tracking for intelligent video conferencing integration.
• Passive device powered by the conference host — input voltage of DC 24V for simplified installation and centralized power management.
• Built-in full-frequency voltage-limiting circuit — protects the audio chain and ensures consistent output quality.

• In request mode, the chairman can approve delegate speaking requests.
• The chairman can forcibly close any delegate unit that is currently speaking.
• The chairman unit can be freely enabled without restriction by the number of active speakers or speaking mode.
• The chairman unit is not limited by installation position within the conference layout.
• Delegate units feature a speak-request function and are controlled by the chairman unit.

Guangzhou Jiuding Audio-Visual Products Co., Ltd. is a leading enterprise in research and development, production, and sales, operating under the high-quality "MEKEY" brand.

Our 6,000-square-meter factory is equipped with advanced production lines, in-line inspection equipment, and core technologies covering frequency dividers, speaker units, and audio systems. Facility infrastructure includes an R&D center, a quality inspection center, and an exhibition hall.

Guangzhou Jiuding Audio-Visual Technology Co., Ltd. provides a full range of audio-visual products and services, including design and bidding support. Our product line covers professional speakers, audio-visual equipment, power amplifiers, conference microphones, paperless conference solutions, recording and broadcasting systems, video conferencing systems, central control systems, and video matrix systems. Our products have been successfully deployed in over 200,000 cases across military, government agencies, public institutions, and large enterprises — making them ideal for both indoor and outdoor events.

Jiuding audio-visual solutions have enriched the seed bank of Chinese cultural heritage at the China National Archives Library, delivering reliable audio capture and reproduction for archival and preservation environments.