JL Audio LoC-22 Audio ProcessorConnects your gear to a factory amplified system Do you want to upgrade the sound of a system that includes a factory amplifier? JL Audio's LoC 22 line output converter can take high level amplified signals and step them down to the line level needed for your aftermarket amplifier and processor inputs. The onboard active electronic circuitry makes sure that even the most powerful signal's fidelity will remain intact with no loss of bass or added