Subwoofer frequency band 20Hz-40Hz: Properly debugged, with strong sound performance. Excessive ascension will make music turbid. Mainly used to control the sound of bass drum, organ and bass.
Bass frequency band 40Hz- 150Hz: This is the basic frequency band of sound, which occupies a large proportion in the whole audio energy and is an important part of expressing music style. When debugging, the bass is relaxed and the timbre is full and soft; The sound performance is thin because of insufficient debugging, and excessive promotion will make the sound boring and reduce the brightness.
Bass band 150Hz-500Hz: The sound is in this band. When the debugging is insufficient, the singing will be drowned by the background music, and the voice will appear soft and weak. If you debug it properly, you will feel vigorous. Excessive lifting will make the bass stiff and affect the clarity of the sound.
Function of sound
Sound box is the terminal of the whole sound system, and its function is to convert audio electric energy into corresponding sound energy and radiate it into space.
It is an extremely important part of the sound system, because it is responsible for the key task of converting electrical signals into acoustic signals for people to listen to directly. It has to deal directly with people's hearing, which is very sensitive and has a strong ability to distinguish the timbre of complex sounds.
Because the human ear's subjective feeling of sound is the most important criterion to evaluate the sound quality of an audio system, it can be considered that the performance of speakers plays a key role in the sound quality of an audio system.