Gravity GR-EQ9 7 Band Graphic Equalizer Car Audio

The Gravity GR-EQ9 is a 7-band graphic equalizer designed to sit between your head unit and amplifiers, giving you precise control over your car's audio frequencies. Each of the seven bands can be adjusted via clearly marked sliders, letting you cut or boost specific frequency ranges to compensate for road noise, speaker placement, and cabin acoustics. The built-in 7-volt line driver ensures that the signal reaching your amplifiers is strong and clean, which is especially beneficial in systems with long RCA cable runs or when the head unit's preout voltage is low.

Beyond standard equalization, the GR-EQ9 includes an Epicenter bass restoration circuit that analyzes your music and regenerates low-frequency content, adding bass depth that may have been lost during recording or compression. A dedicated subwoofer output with its own level control lets you dial in bass independently of the main channels. The unit also features a 12dB crossover and AUX inputs for additional source flexibility. Housed in a compact half-DIN chassis, the GR-EQ9 fits into tight installation spaces and provides a cost-effective way to add meaningful sound-shaping capability to a car audio system.