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Loudspeakers in speakers are commonly known as loudspeakers, which are mainly divided into full frequency loudspeakers and divided frequency loudspeakers. First, let's talk about full frequency loudspeakers. Full frequency, as the name suggests, refers to a wide frequency range and wide coverage. The previous full frequency loudspeakers covered a frequency range of 200-10000hz. In recent years, with the continuous progress of acoustic technology, Now the general full frequency speakers can reach the frequency range of 50-25000hz, and the low frequency of some speakers can descend to 30Hz.