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Factory sound processors take your factory stereo's music signal, clean it up, and send a corrected audio signal to your aftermarket amps and subwoofers.
Q: What will an equalizer do for me? Where do I mount an equalizer? What's a spectrum analyzer and do I need one? Since I installed my EQ, my receiver's fader control
Equalizers give you tight tonal control over your music playback, and offer plenty of other useful features. Find out how to choose the right one for your audio system.
This article will help you figure out how to start building the car stereo system that's right for you, by deciding where the weakness is in your current system.
A step-by-step guide to installing an equalizer or crossover in your car sound system.
A Crutchfield tech installs, tunes, and reviews a JL Audio VXi amplifier with digital signal processing.
Loud bass requires a lot power, so if you want bass, you have to get an amplifier. This article presents some of our top "customer favorite" mono channel amplifiers.