1. Adopts world-advanced DPLL digital phase-locked loop multi-channel frequency synthesis technology and automatic noise control technology (with pilot tone).
2. Transmits signals in the UHF frequency band with a frequency range of 640–673 MHz, with a 250 kHz step between signals.
3. Employs a true diversity design with built-in antenna amplifiers.
4. Features advanced automatic frequency locking functionality, enabling fast and precise locking of the desired operating frequency.
5. Constructed with aluminum metal tubing, effectively shielding external interference while offering durability and a high-end appearance.
6. Standard 19-inch chassis with a 1U aluminum metal front panel.
7. Both the receiver and transmitter are equipped with LCD displays for a clear view of the operating status.
8. The back of the receiver is equipped with four rubber antennas, enhancing signal reception and exuding a high-end appearance.
9. With two separate outputs and one mixed unbalanced output, suitable for connecting various external devices.
10. The microphone draws 100 mA of power and is powered by a 1.5 V AA2 battery, which can provide up to 6 hours of continuous use at high power and 10 hours at low power.
11. Specifically designed for long-distance speaking in school playgrounds, large and medium-sized stadiums, etc. The standalone system can achieve an effective usage distance of up to 1000 meters in the optimal usage environment, without the need for any amplifiers.
12. Allows for the simultaneous use of two systems when stacked together.

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

Our company has its own large modern industrial plant, covering an area of over 6,000 square meters. It is equipped with advanced processing production lines and a complete online detection system, and possesses core technologies such as crossover boards, speaker units, and audio processing systems. The factory is equipped with facilities such as a product research and development department, production department, quality inspection department, and a product exhibition hall.

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