PAC C2A-CHY OEM Integration Of Aftermarket Amplifier for Select Dodge/Chrysler/Jeep LSFT CAN Bus Vehicles Reads CAN bus signals and provides analog audio signal Plug in installation retains factory wiring integrity Linear 20-20,000Hz sound reproduction based on input signal 4 channel RCA output Only compatible in vehicles with a premium amplified audio system Does not retain factory radio's bass, mid-range & treble adjustments Aftermarket amplifier integration interface module Allows you to add any aftermarket amplifier to select dodge, Chrysler and jeep vehicles Plugs into the vehicle's can bus: reads can bus signals and provides analog audio signal