More about Rockford Fosgate More about Rockford Fosgate BUILT BY FANATICS, FOR FANATICS Since day one, we've spearheaded the car audio revolution. Nothing's changed. Rockford Fosgate® is still the global leader in audio innovation, design and engineering, delivering an experience of passion through sound in a way the world has never felt before. PURPOSE BUILT AUDIO Your passion is our purpose. We build the best audio systems for your lifestyle. Sound built for speed. Whether it's automobiles, motorcycles, boats or off-road vehicles, we like to say if it has wheels or floats, we make a stereo for it. Purpose Built. Rockford Fosgate® Where Music Meets Technology.