The subwoofer is a subwoofer #speaker. Subwoofer is actually a name for bass music in electronic music. Due to the long wavelength of the sound emitted by the subwoofer, it will cause strong vibrations in the human ears, which can be felt by the human brain and limbs. This is the feeling of shock. As far as the needs of the audio program source reflected by the sound and the home theater are concerned, the heavy bass only exists in the specific program source and needs to be restored. With it, the restoration of the program source can be more solid and full of enthusiasm. Without it, it will give people. Lack of strength, energy, and enthusiasm. For example, in a movie theater or in reality, we can feel the shock of the power and energy when the plane takes off, but if our home theater is not equipped with a subwoofer #speaker or the configuration is unreasonable, people will not be able to feel this shock.Features 1. Brand new unit design to hear richer low-frequency information 2. Excellent and sturdy structure, shocking and pure and flawless bass 3. The body-type nitrile rubber suspension can improve the amplitude and elastically filter the sound wave 4. Large-diameter hyperboloid phase guide tube sinks thicker at low frequency