With a frequency response of 50 Hz - 20 KHz, the R-690C three-way coaxial kit is the best solution to improve the bass level of your car. The 41/3'' (110mm) - magnet offers a high power handling. His best using : On the back shelf for the best demonstrative sound.
It benefits also from exclusive Focal technologies specific to the Auditor line such as a butyl suspension for a high resistance, a polypropylene cone renowned for its robustness or a mylar tweeter.