Features Our engineers at DB Drive have designed this subwoofer from the ground up to shake the ground up. The foam surround along with the die-cast aluminum vented basket allow for maximum excursion while the protective magnet cover gives the woofer a rugged yet stylish appearance. 2.5" High Temperature Voice coil Reinforced paper cone Dual poly-cotton dampeners Stamped Cast basket Rubber gasket trim ring Large gauge compression terminals Protective magnet cover Specifications Structure 12" (30