so which is best to use, the crossover from the amp or from the headunit or from the speakers? or all of them at once just to make sure the signal is right in case the other filter is retarded?<P>my ...

If you’re looking to seriously upgrade your car’s stereo system, you’ll want to invest in a set of component speakers. Unlike coaxial speakers, which combine the tweeter and woofer into one speaker, a ...