If you want your bass to really shake that car, it's vital that you buy subwoofers that really will put a boom into your music. It's crucial that when purchasing a sub that you look out for quality of components and how these will affect the listening experience.

Size of Subwoofers: You will only need a sub or two that will provide enough sound for your cars space. For instance, if you have a small compact car there's no point in investing in big subwoofers, as they are not needed for the best bass impact and they may not fit.

A favourite on the sub market is the 8 inch subwoofer, as its small enough to fit in an average sized car without compromising too much on sound quality. The real car audio enthusiasts will often go for a 12 inch sub as these are one of the best subs for volume and recognizing the lower frequencies of bass.

Material: It's always best to choose the highest quality materials out there. For instance, many car audio specialists find the expensive aluminum cones to be best out there. However, some materials will give you good quality bass at a small price. Polypropylene is a cost effective favourite on the market at the moment.

Brand: Brand does sometimes really matter. The best brands for clean bass, which means bass without distortion, are Blaupunkt, Nakamichi, McIntosh, Audiobahn and Infinity.

Another item to think about is the amp, as you will need an amp that will be able to power your sub perfectly. Buying a too powerful amp can in fact damage your subs and may even damage your car. Your subs will have an RMS power rating, which acts as a guideline of what power amp you should buy. Car audio specialists recommend you never exceed this limit.

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