Easily add an aftermarket amplifier to your vehicle’s factory audio system with this 2-Channel Active Line Output Converter and Line Driver by AudioControl. The LC1i 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 and line driver can also be used to retain your vehicle’s OEM amplified audio system when replacing your factory radio. | Audiocontrol | | 2-Channel Active Line Output Converter and Line Driver | Black | Best Buy