With the proliferation of home theater sound systems, especially the speakers responsible for the various audio channels: central channel, surround effect channel …, the use of bass reproducing speakers while watching movies is necessity. Although subwoofers in home theater systems are not as big as theaters, they sound enough to rock your home or make your neighbors headache. Subwoofers are divided into two types: subwoofers and subwoofers.
Sub steam uses a separate amplifier, just like other speakers in a home theater system. The amplifier has to be loud enough to produce a good bass response. How much power depends on speaker sensitivity and room size. Sub power integrated the amplifier in that the characteristics of the amplifier and the subwoofer match.