Has auto power on if using speaker level inputs. Amplifier installation kit included. Amplifier power: 150-watt subwoofer, 2x50-watt mid / tweeter. See All 12 Photos. 1.

An amplifier helps optimize your car's audio system, but don't pay someone else to install it. This is an easy DIY project. By Ben Murphy Published: Mar 27, 2014 1:00 PM EDT ...

TEMPE, Ariz. – May 20, 2015 – Rockford Fosgate (www.rockfordfosgate.com), the industry leader in high-performance audio systems, is proud to announce that the new RFKHD9813 amplifier installation kit ...