Composition of a professional audio system: audio source
Music playback equipment, pickup equipment is the microphone
2. Control equipment
Simulation mixer, digital mixer, digital audio media matrix, AV digital management center
3. Peripheral equipment
Processor, balancer, pressure limiter, frequency division, incentive, delayer, effector, feedback suppressor
4. Restore equipment
The speaker or speaker system, power amplifier, is the power amplifier
The above devices are connected together by various types of cables and cables to form a unified sound system. The difficulty is to design and debug the system.