R/T Dual 12-Inch Chevy S-10 Sealed Speaker Box -Fits Most US Made Mini Trucks 48 1/8" wide x 17 1/4" high x 4" top depth x 8 1/2" bottom depth 1.0 cf airspace per sub - mounting depth: 6 1/4" Sealed Enclosure "Tri-lock" joint construction Solid 5/8" material