How to connect the microphone and the power amplifier?

Use the microphone cable. To connect the microphone, you need to use a dedicated microphone cable, and then plug one end of the microphone cable into the microphone interface of the power amplifier and the other end into the plug of the microphone. Power amplifier, referred to as power amplifier, generally refers to one of the most basic devices in audio system, commonly known as amplifier. Its task is to amplify the weak electrical signal from the signal source (from the mixer in the professional sound system) and drive the speaker to make sound.