Whether you’re looking for an EQ for a car or a pro audio rack, the best graphic equalizers offer the best balance of customizability across a wide range of frequencies and user-friendliness.

The automated car stereo equalizer is here Dynamic EQ from Gracenote could make the sound from your car stereo even better by custom tuning the equalizer to tens of millions of songs.

We review three of the most popular audio equalizers, which help enhance audio signals in the studio, onstage and even in your home theater.

Q. Have you considered writing about stereo graphic equalizers, and do you think they are a necessary addition to a stereo system?

They've taken a set of surround-sound computer speakers and strapped a couple of bright blue graphic equalizers to the front stereo pair. Prepare to be dazzled (your eyesight if not your ears) by ...