Have you noticed your headlights dimming to the beat when you hit those heavy bass notes on your car's custom sound system? Cranking up the volume on your system can put inordinate amounts of stress on your vehicle's electrical system. Most cars today cannot handle the high power demands of custom sound system components hence the need for a dependable and powerful capacitor. Enter the Rockville RFC50F Digital Hybrid Capacitor. This professional grade capacitor is built to handle even the most power hungry amplifiers delivering a surge of up to 20 volts of power when needed. Rockville engineers have gone out of their way to design and put in your hands a high end capacitor at half the cost of our competitors similarly specs models. The RFC50F features a 3-digit super bright digital LED read out which displays the units exact operating voltage to the decimal point.