Car Audio Subwoofers - Auto Subwoofers

Car audio subwoofers are considered to be very important to get quality sound in any car. Sub woofers play frequencies or sounds that a smaller speaker simply won’t be able to produce. Frequencies that a sub is designed for are non directional sound meaning you cannot locate it. Because of that subs can simply be placed away (under seat or a truck).

Subwoofers vary in size and can get as big as 36”, but car owners use a subwoofer that ranges in size from 4” to about 18”. It is usually recommended to put subwoofers inside an enclosure (box) to get the maximum audio power possible.

Car subwoofers are made of many small parts which include a voice coil, duct cap, magnet, wires, basket, and a cone. All of these components have very important functions. The spider, for example, allows the voice coils to move back and forth only. The basket, which is made of either plastic or metal, mainly holds all the parts together. The basket keeps the heat away from the coil. The coil is an electromagnet which is generally constructed of copper. Whenever the coil receives electric charges, the coil moves and creates pulsating vibrations. This is accomplished because of the coils location within a magnetic field produced by the permanent magnet located within the woofer. When two magnets come together and are positively charged, they will push apart. In essence, the positively charged magnets cause the coil to push back and forth. The voice coil causes the cone shaped diaphragm to vibrate, and the diaphragm produces sound waves.

How to buy a car subwoofer:

1) Find a well-known car audio dealer. You can go online to get competitive prices on subs.

2) Do you know your budget? It is very important to have an idea on how much you are willing to spend. Subwoofer prices many vary ($100 – $600), so make sure to buy a quality sub that fits your needs and budget.

3) Choose the subwoofer size that fits your music preference. The more bass that is in your music, the larger subs you should buy.

4) Determine the available space you have in your car. If you have a limited space in your car, you won’t afford to get an enclosure which may lead to a lower sound quality. You can also buy powered subwoofers. These types of subs works perfectly in small places. If space is not an issue, then you can get a big subwoofer with an enclosure.

5) Choose a subwoofer with:
- High sensitivity.
- Greatest wattage RMS.
- Surrounds: Rubber surrounds are best, but foam works too.

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