Drivers and Cross overs.....

[<Muff Diver>]

Ok, Im stupid and I need everything explained to me. But im pourin money left and right into my car. What the hell does a driver do? What does a Cross Over do? And what is an "OHM"????

If anyone can explain these things it would be greatly appreciated.

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[<natem33>]

A driver is just another term for a speaker. I have heard this term mostly used for mid-bass woofers, but have heard tweeters and subs called drivers too. There are two different types of crossovers. Electronic and passive. A passive crossover is usually a filter that helps block out unwanted frquencies to the designated driver. An electronic crossover can cut off the sound at a certain frequency. Both of the crossovers are used to cut/filter out unwanted frequencies from reaching a certain speaker. For example, a crossover would filter out bass frequencies from a tweeter, or would cut out higher frequencies from a subwoofer. Most amps have built in crossovers, most coaxial speakers have built in crtossovers and most component speaker sets have external crossovers. An ohm is a measurement of electrical resistance. For full understanding look up "Ohm's law".