Features Our engineers at DB Drive have designed this subwoofer from the ground up to shake the ground up. The double-stitched foam surround and die-cast aluminum vented basket allow for maximum excursion, while the protective magnet cover gives the woofer a rugged yet stylish appearance.1.5" BASV High-Temperature Voice coil Non-pressed paper cone Double stitched foam surround Dual poly-cotton dampeners Die-cast aluminum vented basket Rubber gasket trim ring Large gauge compression terminals Pro