The Interfire?PRO-V12 is a dual voice coil 12" subwoofer that has a?1600 watt max power handleing and a 3" extra long voice coil. The Pro-V series subwoofers are the long awaited Monster woofer. Interfire has designed the Pro-V woofers with the perfect balance of Sound Quality and SPL to extract the maximum performance with clear audiophile accuracy. The 4-layer 3 inch EISV extra long voice coil will allow extreme power handling. The large surround assures maximum cone travel. When the cone has more travel the result is more bass!