MTX Audio TX4 Series 4" Coaxial Speakers - TX440CThe MTX TX440C speakers shine with their exceptional construction, sound quality, efficiency, including the size of their magnet. They do an incredible job in the original locations of most vehicles. The softness and force with which they reproduce the best recordings is exceptional. The semi pressed paper membrane covered with crystals and silver is musical and clear. The oversized magnetic structure ensures an astounding dynamic and power handling.