AudioControl EQX 13-Band Car Equalizer
The EQX carries on a great tradition started back in 1985, when the original EQX was introduced. It was the first serious stereo component for mobile audio. Since then, AudioControl has gone on to win...
Pros: This is a powerful tool that will deliver the goods for any grade of system
Cons: Have to open chassis and snap in different resistor sets to change the frequency