The range of the sound of the sound system can be generally divided into sub-bass, low-sound, mid-bass, mid-range: high-pitched, sub-high-pitched, high-pitched, and high-pitched. The audio frequency range can be generally divided into four frequency bands. , that is, low frequency band 30~150Hz); medium frequency band (150~500Hz); medium and high frequency band (500~5000HZ); high frequency band (5000~ 20000Hz)
30~150Hz frequency band: It can express the low frequency component of music, so that listener feel strong and dynamic.
150~500H frequency band: It can express the expressive power of a single percussion instrument in music, and it is the part that expresses the intensity in low frequency.
The frequency range of 500~5000Hz: "Mainly expresses the clarity of the language of the performer and the expressive power of the string.
The 5000~20000Hz band must express the brightness of the music, but too much will make the sound break.