System Console PA System is a branch of the sound reinforcement system. The sound reinforcement system is also called professional audio. The system is the edge science of the three disciplines of electroacoustics, sound construction and music. Therefore, the final effect of System Console PA System is related to reasonable and correct electroacoustic system design and adjustment. The best combination of a good sound propagation environment (sound construction conditions) and correct on-site adjustments is essential.

As a system problem, System Console PA System must comprehensively consider the above factors when designing the system. By purchasing high-performance electro-acoustic equipment, careful system design, meticulous system debugging, and good sound building conditions, a pleasant and natural electro-acoustic effect can be achieved.

System Console PA System classification:

　　1) Sound reinforcement system:
　　 The speaker and the microphone are located in the same sound field, and there is howling, distortion and vibration caused by sound feedback and room resonance. In order to ensure the stability and normal operation of the system, the highest available system gain is 6dB lower than the critical gain for intense acoustic feedback.
　　2) Sound reproduction system:
　　 There are only sound sources such as tape drives and CD players, no microphones, and the possibility of silent feedback. The acoustic feedback coefficient is 0, which is a special case of the System Console PA System.