New for 2003, the P-series delivers the awesome low frequency performance of the much-praised XTR PRO woofer family at aggressive prices. Built in uniquely tooled heavy gauge rolled steel baskets, these woofers handle an astonishing 1000 watts of peak music power. They outperform their distinguished predecessors with over 17mm of Xmax supported by a stacked motor assembly and medium-wide nitrile-butyl rubber surround. Designed for high output levels from small sealed enclosures with no loss of sound quality of sound quality, or in vented enclosures using the unique Intelli Q circuit built into Orion amplifiers for maximum bass and low frequency impact. Features: Size: 12" Impedance: Dual 2 ohm Power handling(RMS): 500 Watts Power handling(Peak): 1000 Watts Efficiency (1W @ 1M, dB): 84.22 Frequency range (Hz): 30Hz-2500Hz Heavy gauge rolled steel Orion-designed basket with dual stack magnet assembly High-rigidity paper cone and medium roll NBR surround Small sealed box performance 2-1/2" voice coil on aluminum former and vented pole piece Custom-tooled wrap gasket and protective magnet boot Satin-finish heavy gauge wire terminals