Overcurrent protection device is equipped with high frequency capacitors, an excellent sound enhancement tool. | Bass inductor and polymer magnet greatly improve bass sag. Exquisite finish and very sophisticated materials. | Come with reasonable line and high standard components, help to get correct sound. | Easy to use, just connect the corresponding wiring, then tighten the screws immediately. | High gloss double heat deflection dissipating ABS plastic shell is with beautiful, generous and bright colors.