DB DRIVE K715D4 OKUR K7 SERIES SUBWOOFER (15")1800W MAX POWER 900W NOMINAL POWER DUAL 4_ IMP 2.5" VOICE COIL 4 LAYER DVC WITH ALUMINUM FORMER NON-TRANSFER PAPER CONE WITH NBR RUBBER SURROUND DISH STYLE VAC PP DOME 140 OZ Y30 MAGNET BLACK ELECTRO-PLATED FINISHED PLATE YOKE POWDER-COATED DIE-CAST ALUMINUM FRAME MIXED SPIDER SPRING TERMINALS PVC TRIM RING/GASKET 15" DUAL 4_ Payment and Checkout Info : We accept Visa, Master Card, American Expressand Discover credit cards.