Heads-up you bass BURP fanatics! This BAMF Series Subwoofer (15 in., 3,800 Watts max, Dual 2?) from Power Acoustik is engineered for the most extreme conditions. Massive 3 in. 4-layer voice coils built on an aluminum former can take the heat. Freakishly oversized motor structures provide more magnetic inertia than is ever necessary for a woofer. Spruce tree pulp cones, high density extended excursion foam surround and hybrid suspension dampers work together to contain the momentum to a shattering roar! 3" dual 2?, 4-layer voice-coil with direct-connect wire increases power handling Overcompensating motor structure for increased magnetic strength 12mm T-yoke & top plate improve low-frequency dynamics Vented T-yoke & frame reduce voice-coil heat buildup Nonmagnetic, nonresonant die-cast aluminum frame MODEL NO - BAMF-152