Amplification any sound: amplification the dynamic microphone by 75 times, the condenser microphone by 22 times, and the stereo music input by 5 times Meet all your sound needs and enjoy better sound Multipurpose output port: You can amplification microphone and music separately, or mix the two for output through three output port The mixed output port can directly drive headphones, providing you with a powerful Portable design: The lightweight body weighs only 150 grams, making it easy to carry and not taking up space : Aviation grade aluminum alloy shell, and can maintain stable even in harsh environment Multiple scenario compatibility: Supports 3.5mm and 6.5mm port for dynamic microphone connection, compatibility with various devices such as mobile phones, cameras, and computers