Feature 1, Made of high quality material for maximum durability. 2, The equalizer provides the adjustments and the controls to get the most from your stereo system. 3, The automotive environment provides a challenging place to achieve good sound quality and the equalizer and subwoofer crossover controls with fader and master volume level controls work together. 4, The controls are easy to use with backlighting and rubber covered knobs. 5, It can adjust sound quality and improve sound quality.Features: Made of high quality material for maximum durability. The equalizer provides the adjustments and the controls to get the most from your stereo system. The automotive environment provides a challenging place to achieve good sound quality and the equalizer and subwoofer crossover controls with fader and master volume level controls work together. The controls are easy to use with backlighting and rubber covered knobs. It can adjust sound quality and improve sound quality. Specification: Condition: 100% Brand New Material: Iron Color: Black Size: As Picture Shown Package Weight: Approx. 851g/30oz Package List: 1 * Equalizer 1 * Screw Pack 1 * English Manual