HERTZ The three way MPK 163.3 car audio speakers system is dedicated to those who want the best: the MP 70.3 midrange featuring Neodymium double magnet inside the coil produces an enthralling mid range, perfect to combine with the powerful mid-low of the MP 165.3 woofer as well as with the detailed high range of the MP25.3 tweeter. The 20 mm coil of the MP 70.3 maximizes the dynamics; the V-cone profile enhances off-axis dispersion and the Boundary Free Surround allows for a wider extension towards the low frequency range. The dedicated MPCX 3.3 crossover provides optimized crossover points to exploit the midrange remarkable extension using ultra-selected components.