More Control at Your Finger Tips Earthquake's line of equalizers do more than just alter your music. They give you 4 or 7 bands of equalization, subwoofer crossover, level controls and an extra audio input for a secondary source. You can control all this from the EQ-PXi with adjustable knobs.

More Control at Your Finger Tips Earthquake's line of equalizers do more than just alter your music. They give you 4 or 7 bands of equalization, subwoofer crossover, level controls and an extra audio input for a secondary source. You can control all this from the EQ-PXi with adjustable knobs.