The MI-1604HB Clip-on/Headset MEKEY 4-in-1 Wireless Microphone Set delivers professional-grade audio performance with both lavalier and headset transmitters. Designed for conferences, presentations, and live events, this system combines distributed reception technology with intuitive controls for reliable, crystal-clear sound.

• Distributed Reception Technology: Enhances signal stability, extends reception distance, and broadens applicability across various environments.
• 2U Standard Chassis with Large Color Screen: Displays the system menu clearly, with separate LED indicators for each channel's RF and audio status for intuitive monitoring.
• Independent Channel Control: Four channels with independent volume adjustment, adjustable SQ, and IR infrared frequency control. Features a 4+2 audio output mode for simplified daily operation.
• Real-Time Battery Monitoring: Tracks transmitter battery status in real time. The system menu stores six sets of stacked machine frequencies for quick retrieval. Meeting, handheld, and lapel transmitters are fully interchangeable.
• Flexible Frequency Range: Operating frequency set at 4 x 50 frequency points, with 50 adjustable points per channel. Default system frequency range: 640–690 MHz.

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 a 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 provides 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 the military, government, public institutions, and large enterprises, with over 200,000 successful cases and a very high reputation.