DUAL 10 INCH SEALED SUBWOOFER ENCLOSURE: The Bbox 10 inch dual sealed Accu-Tuned subwoofer box enclosure is designed for optimum bass response and low frequency reproduction which is ideal for lower profile sound quality subwoofers. Get the most out of your vehicle's subwoofer with car stuff designed for power and quality. SPECIAL FORMULA: We use Aliphatic wood glue on our 10" subwoofer enclosures to ensure an airtight seal between all MDF parts. Each 10 inch subwoofer box also gets a second application of glue around all internal joints after the final assembly. HIGH GRADE MDF: Our subwoofer box enclosures are built with a durable MDF that is 1" thick for solid frequency response and accurate music reproduction and we use a CNC Miter to ensure an airtight fit for your powered subwoofer. Our Dado design and construction offers a precision fit for our car subwoofer boxes & enclosures, which ensures a rattle and noise free environment. AIRTIGHT RECESSED SIDE PANELS: We use quality materials like our special aliphatic resin wood glue and brad nails from a pneumatic nail gun to create a tight hold on the MDF parts during the glue drying process to ensure that our subwoofer boxes have an airtight no-leak, no-rattle air chamber improving the overall sound quality of your sound system ENCLOSURE DIMENSIONS: Enclosure Dimensions Sub cut out: 9.125”, mounting depth: 13.75”, Height: 11.875”, Width: 26.5”, Depth: 14.50” Trust our dual subwoofer for better sound than a single and more precise audio than a vented subwoofer.