1. 8 Inch Subwoofers. A typical size for an 8-inch subwoofer is two cubic feet. This means that the box will measure out at around 24 x 18 x 12 inches. This makes it a little larger than other similarly sized subs, but it also has more room inside to move air around and make noise. 1. Port. 9.70" × 12.52". 1. 12 inch subwoofer box design Sundown Audio, ported box plan, 3D model. Net internal volume 1.94 cubic feet, port area 31.00 square inches, tuning frequency 36 Hz. Custom subwoofer enclosure build. DIY Flatpack Subwoofer kit for 4 - 12 Subwoofer kit includes: all the pieces to build a box, except terminal, glue, and screws. all pieces are pre-drilled. Team D4S logo top. Other Specifications on the 4 - 12 Flatpack Subwoofer Kit: WxHxD: 40 inches x 18.75 inches x 28.5 inches. 7.66 cubes after displacement. Sort by: Sale Price New Arrivals Popularity. Chevy Silverado Extended Cab 1999 - 2006 Dual 12" Enclosure Sealed Subwoofer Box (Black) Our price: $154.95. enter zip code Shipping: Chevy CK Silverado Extended Cab 1988 - 1998 Dual 12" Sub Box Sealed Enclosure (Black Carpet) Our price: $139.95. enter zip code Shipping: Dual 12" 2009-2014 Ford F150 Extended Super Cab Truck Box. Air Space: 0.8 Cubic Feet per Sub ; Mounting Depth: 5" Sealed Enclosure; Dimensions: Width 50-1/2" x Front Height 5" x Rear Height 9" x Depth 14-1/4" Constructed with High Quality MDF; High Quality Binding Terminal Cups (Accepts Banana Terminal Plugs OR Bare Wire 'up to 10GA') 12 inch subwoofer box design, ported box plan, 3D model. Net internal volume 2.01 cubic feet, port area 23.25 square inches, tuning frequency 36 Hz. Custom subwoofer enclosure build. PHRk.

12 inch subwoofer box dimensions