Rockford Fosgate RFC1D

This Rockford Fosgate capacitor is a must have if you are into custom stereo equipment ,there are only pros except for having to buy it that's the only con and even the price was great so that's not too bad !! There's a digital reading that shows your amps which allows you to know when your battery is getting low or if your alternator is about to crash , I had a system with 750 watts rms prior to buying this cap and after installing it i could turn it up loader without my battery being drained and the headlights dimming !!!!! Like I said A MUST HAVE!!!!!!

Personally I never had a thing for capacitors. Unfortunatly due to a low budget, I couldn`t afford the "big three" or even a new alt... but Rockford does exactly what it`s supposed to do. The sound quality of my Type R is way better than it was. Completely cancelled out all the dimming too! I think people get the wrong impression about the capacitors... by no means should it make your sub louder. It's not a miracle machine its honestly a cheaper solution to fixing the issues that our unnecessary and booming systems throw at us! Not every one has the money to buy a beefy alternator or top of the line battery. Any way, like I said.. it does what it's supposed to and i highly recommend this product. Looks sweet too!

First off it does what it says and is a very solid cap kept my voltage steady and did improve on my bass sound quality the led voltmeter is also very nice. Its easy to install and will fit 0 gauge wire I charged it with a 12v car lightbult like the ones from the taillights.

Overall I would recommended this for small sound systems and to make your setup look better.

I've sat in my car for almost 2 hours before with the car off, just blaring my system, and my battery was just fine. My lights don't dim when it hits and I'm pushing 3,000 watts into 2 JL's. This rocks, 5 of 5.

No more dim lights and great sound quality!!!