We earn commissions from purchases you make using links in our articles. Learn more. For many car owners, the stock stereo just won't cut it and thankfully there are plenty of cost-efficient ways to ...

Rockford Fosgate has developed a simplified way to boost the speaker-level output of a factory or aftermarket radio with compact amps that don’t need power from a vehicle’s battery. The PM100X1 mono ...

I have a 1400W Rockford Fosgate amp in my car pushing a 1000W, 2 ohm, dual voice coil, Boss subwoofer and one of the voice coils is bad (it doesn't hit at all when attached to one side, but does when ...