Blue Aran - This is a complete flat-pack kit designed to build a subwoofer cabinet for the JAM Systems S118 speaker and accommodate an 18 inch driver. Every panel has been CNC
down4sound-flatpack-2-15-sub-box - Car Audio Direct
15" Subwoofer Flat Pack (Coming Soon) — Western Ridge CNC
21 Inch Cube by GSG(TM) Flat Pack Subwoofer – GSG Audio Design
MartyCube by GSG(TM) Flat Pack Subwoofer – GSG Audio Design