This is the Taurus sable amplifier also called RCU because this is the radio, am fm tuner amplifier the uit at front is only the controller not the radio, if you have any audio problems missing audio from one channel or any am fm problem , that means that this box needs to be repair or replace this mounts in the trunk left side behind the carpet if the vehicle is a wagon it will be in front of the spare tire orbehind on vehicles with 3rd row seats the radio and amplifier also comes with the port for the CD Changer or aux input.