Easily add an aftermarket amplifier to your vehicle’s factory audio system with the LocPRO 2-Channel Line Output Converter with Remote Turn-On Circuit and Remote Level Controller by PAC. The LP7-2R converts speaker-level (high-level) audio signals to RCA preamp (low-level) signals so you can install an aftermarket amplifier without replacing your factory radio. This two-channel line output converter can also be used to retain your vehicle’s OEM amplified audio system when replacing your factory radio. | Pac | | LocPRO 2-Channel Line Output Converter with Remote Turn-On Circuit and Remote Level Controller | Black/Blue | Best Buy