The SoundBox SCAP2D is a 2.5 Farad digital power capacitor designed for car audio systems up to 2500 watts. It helps provide additional power stability for your amplifier and gives you a convenient way to monitor your vehicle's electrical system. The SCAP2D features a bright 3 digit digital voltage display, automatic power sensing and a charging status LED. The aluminum housing keeps the capacitor durable while the nickel plated terminals provide a solid connection for your power and ground wiring. Features: 2.5 Farad capacitance Rated for systems up to 2500 watts 3 digit digital voltage display Automatic on/off power sensor Charging status LED Digital over voltage protection Soft turn on and turn off Nickel plated power terminals Durable aluminum housing Accepts up to 4 gauge input and output wire Designed for car audio amplifier installations The SCAP2D is a simple upgrade for car audio systems that need extra power support. The built in digital display also makes it easy to keep an eye on system voltage while your equipment is running.