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. Features: 1:component system includes 2 woofers, 2 midrange speakers, 2 tweeters, and 2 external crossovers 2: 6-1/2" pressed pulp woofer with Boundary Free rubber surround 3: 3" pressed pulp midrange speaker with Boundary Free rubber surround 4: 1-3/16" Tetolon dome tweeter 5: compact MPCX 3.3 outboard crossover 5.5: -position (0, +2) switches for tweeter and midrange Component System Size 165mm (6.5in) Power Handling - Continuous 150W Power Handling - Peak 300W Impedance 4 Ohm Tweeter diaphragm 29mm (1.14in) Woofer Voice Coil Ø 25mm (1in) Tweeter Voice Coil Ø 25mm (1in) Sensitivity SPL 92 dB Frequency Response 40 ÷ 22,5k Hz Crossover Cut off 450Hz - 5.5k Hz Crossover Type 3 Way Passive Crossover Weight of one component - (Woofer) 1.07kg (2.36lbs) Weight of one component - (Tweeter) 0.07kg (0.15lb) Weight of one component - (Crossover) 0.43kg (0.95lb)