what is subwoofer
Subwoofer is a common name or abbreviation for everyone. Strictly speaking, it should be: bass speaker. Heavy bass means super bass in English, that is, a bass with heat and energy. As the name suggests, the function of the subwoofer is to strengthen the bass band, that is, to enhance the long-wavelength part of the audio (below 100HZ, even including infrasound waves, although humans cannot hear it, it is still effective), because ordinary speakers are limited in size and cannot emit longer wavelengths. low-frequency sound, so a larger subwoofer is needed to produce a warm low-frequency effect.