What is sub woofer?
Answers: A loudspeaker, or simply speaker, is an electromechanical device which converts an electrical signal into sound. The term is used to refer to both the transducer, and a complete system consisting of one or more transducers in an enclosure. The loudspeaker is the most variable element in an audio system, and is responsible for marked audible differences between systems.
http://en.wikipedia.org/wiki/Loudspeaker
So basically a subwoofer is a loudspeaker that is able to reproduce low frequency vibrations. Hey look Wikipedia even has an entry on a sub woofer.
http://en.wikipedia.org/wiki/Woofer
Sub woofers are responsible for generating the lowest frequencies of sounds, usually below 150 hertz. In the Dolby 5.1, 6.1, and 7.1 encoding scheme, the .1 represents the sub woofer, also called the Low-Frequency Effects channel.
Low tech answer. You have two basic kinds. A powered sub woofer has it's own power supply that allows it to operate without taking power from the amplifier or, a non powered type that is driven by your amplifier. If you like it loud with lots of Bass and you don't have a high end system buy a powered unit. Make sure that the sub woofer will work with your system. It's a connection thing that you should be able find out from the place you get the sub woofer from.
http://en.wikipedia.org/wiki/Loudspeaker
So basically a subwoofer is a loudspeaker that is able to reproduce low frequency vibrations. Hey look Wikipedia even has an entry on a sub woofer.
http://en.wikipedia.org/wiki/Woofer
Sub woofers are responsible for generating the lowest frequencies of sounds, usually below 150 hertz. In the Dolby 5.1, 6.1, and 7.1 encoding scheme, the .1 represents the sub woofer, also called the Low-Frequency Effects channel.
Low tech answer. You have two basic kinds. A powered sub woofer has it's own power supply that allows it to operate without taking power from the amplifier or, a non powered type that is driven by your amplifier. If you like it loud with lots of Bass and you don't have a high end system buy a powered unit. Make sure that the sub woofer will work with your system. It's a connection thing that you should be able find out from the place you get the sub woofer from.
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