Q-Logic 10D70SB 10-Inch Ready-To-Assemble Dual Subwoofer Enclosure Ready-To Assemble Hatchback Enclosure For Two 12-Inch Woofers Two 1.0 Cubic Ft Sealed Enclosures Woofer Cutout Dia: 9.25-Inch Includes Glue, Power Straps, Speaker Lead, Woofer Mounting Screws & Terminal Cup With Screws Dual