MPK163.3 - Hertz 6.5" 150W RMS 3-Way Mille Pro Series Component Speakers System. Woofer magnet: High density flux ferrite. Woofer cone: Pressed-pulp cone with cotton fibers. 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.
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