The Mekey Mi-1801b is a single-channel wireless microphone system engineered for large-scale stage performances, speeches, and major sporting and cultural events. It supports handheld, headset clip, head-mounted, and instrument configurations, delivering reliable UHF transmission with automatic frequency scanning for interference-free operation.

• Specifically designed for large-scale stage performances, speeches, and various large-scale sports and cultural events.
• Single-channel independent AFS automatic frequency search function quickly scans for the frequency with the least interference in the working environment.
• Supports up to 6 built-in stackable units, allowing rapid simultaneous use of 6 sets in the same location. Handheld and lapel modes are switchable.
• LED display of multi-segment RF and audio channel working status. Precise electronic volume control technology, multiple adjustable microphone receiving distances, and a hidden lock key function to prevent misoperation.

Guangzhou Jiuding Audio-Visual Technology Co., Ltd. is a comprehensive enterprise integrating R&D, production, and sales, and owns the high-quality "MEKEY" brand of professional audio equipment.

The company operates its own large modern industrial plant covering over 6,000 square meters, equipped with advanced processing production lines and a complete online detection system. It possesses core technologies in crossover boards, speaker units, and audio processing systems. The factory includes a product research and development department, production department, quality inspection department, and a product exhibition hall.

Guangzhou Jiuding Audio-Visual Technology Co., Ltd. offers a complete product range and is capable of providing customers with overall solution services, including scheme design, drawing design, bidding and tendering. Products include professional speakers, audio-visual speakers, professional power amplifiers, conference microphones, paperless meeting systems, conference recording and broadcasting, video conferencing systems, central control systems, and video matrix systems, suitable for various outdoor and indoor performances. These products have been repeatedly applied in fields such as the military, government, public institutions, and large enterprises, with over 200,000 successful cases and a very high reputation.

Jiuding Audio and Video assisted in nurturing the seed bank of Chinese cultural heritage at the China National Archives Library.