Discover the ultimate audio solution for your meetings and conferences with our 4 Channels Wireless Handheld Microphone System, operating within the 641.5MHz-672.3MHz frequency range. This state-of-the-art system is designed to deliver exceptional sound quality and reliability, making it an indispensable tool for any professional setting. Extended Battery Life: Each microphone is powered by two 1.5V batteries, consuming only 100mA, which allows for up to 8 hours of continuous use. This ensures that your events run smoothly without the need for frequent battery changes. Innovative Technology: Our system incorporates several unique domestic technologies that enhance the original microphone design. These advancements provide ultra-high sensitivity, strong anti-interference capabilities, and excellent stability, ensuring clear and uninterrupted audio transmission. Advanced Original Features: The microphone system includes high-efficiency, low-loss RF emission technology and utilizes the SMT production process from the United States. It features a locking frequency better than 10ppm quartz crystal, dynamic audio compression, and an expansion circuit, ensuring precise and high-quality sound reproduction. User-Friendly Fixed Frequency: With a fixed frequency setup, the microphone system is ready to use immediately upon booting, offering unparalleled convenience and ease of use for any user. Sophisticated Circuitry: Equipped with a suppression circuit and a shock elimination circuit during switching, the system also employs anti-return circuit slow-change output control technology, computer EDA, and analog online auxiliary design. These features contribute to a seamless and professional audio experience. Enhance your professional audio setup with our 4 Channels Wireless Handheld Microphone System, designed to provide outstanding sound quality and dependable performance for any meeting or conference.