How do you hook up a capacitor to an amp?

2:304:07How to install a car audio capacitor - YouTubeYouTubeStart of suggested clipEnd of suggested clipSuggested clip · 56 secondsNow connect the positive wire lead from the capacitor to your car audio amplifiers. PositiveMoreNow connect the positive wire lead from the capacitor to your car audio amplifiers. Positive terminal the capacitor should also be receiving power from your cars battery.

Do I really need a capacitor?

Capacitors offer some small amount of protection for amplifiers from potentially damaging under-voltage surges over time if you play loud music regularly. But most of the reason for adding capacitors is to keep your car voltage stable.

How do you size a capacitor?

Multiply the full load amps by 2,650. Divide this number by the supply voltage. The full load amps and the supply voltage can be found in the owners manual. The resulting number is the MicroFarad of the capacitor you need.