PAC ROEM-FRD3 Radio Replacement Interface Modified Vehicles and acts as a barrier

and acts as a barrier to interference from rear waves trapped inside the door panel

Matching Amplifiers: (one subwoofer)

Adjustable center for button ease

Radiopro4 Stereo Replacement Interface with Steering Wheel Controls for Select GM Vehicles

You can also bridge the amp to 3-channel mode to deliver 140-Watts RMS to your front speakers while driving your sub with 500-Watts RMS

PAC ROEM-FRD3 Radio Replacement Interface Modified Vehicles and acts as a barrierDescription Facilitates the replacement of factory installed premium sound systems in select Ford vehicles while retaining the function of the factory amplified audio system. Features System interface to replace factory installed receivers and integrate factory amplifiers Easy Installation Adjustable 4 channel RCA outputs that provide Line Level Matching Isolated transformer inputs and outputs Trigger wire included For 1999 2002 Navigator, Expedition