Since it is tough for small-sized loudspeakers to reproduce frequencies under 40 Hz, and really tough for under 100 dB, people often choose to use a loudspeaker just for this purpose. Hence the subwoofer, a kind of loudspeaker that reproduces bass frequencies ranging most generally from roughly 20 Hz to around 200 Hz. DO you need one? Depends upon how well you want to hear deep bass, if your music or audio is reproduced under 40 Hz.
Subwoofer drivers, known as woofers, average between 8″ and 15″, and can run 34″ even. And drivers begin at 4″ those under 8″ generally dont reproduce lower frequencies with good quality and usually have higher distortion.
Use high-powered amps with subwoofers and an electronic crossover with a low-pass filter. There are two types of subwoofers; those with an amp in the subwoofer cabinet (active), and those without the amplifier (passive). Typically active subwoofers will be clearer and stronger.
Home Theater
With regards to the use of subwoofers in home theater systems, they come mounted in a sealed enclosure. Some people like to focus attention of their systems around satellite speakers,...
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