What are the components of an amplifier?

Pickup microphone (pickup is the process of collecting sounds. It is simply divided into single person pickup, harmony singing pickup or chorus pickup, and simple pickup of commonly used instruments.)

The mixer (multiple input signal amplification, mixing, distribution, sound quality modification and acoustic effects processing)

Peripherals 4. power amplifiers 5. speakers A good amplifier each part of the requirements of the perfection of the domestic sound and so on brand are very good