Old School Buick Skylark 4 12" Ported Speaker Box Sub Subwoofer Enclosure SUV Box Buick Regal Subwoofer Box Dimensions: 42" wide x 13"

Dimensions: 42" wide x 13" height

- Infrasonic Filter

Stage EQ compensates for low speaker positions

Magnet diameter: 8

Flushmount Dimension: 11

Old School Buick Skylark 4 12" Ported Speaker Box Sub Subwoofer Enclosure SUV Box Buick Regal Subwoofer Box Dimensions: 42" wide x 13"Made to fit the Old school Buick Skylark 12" Ported design shown above Hole cutout: 11. 125" (11 1 8) Box constructed of 3 4" MDF, glued and nailed Can be made sealed 10" 12" hole option Round or Square 5. 26 cuft of total airspace Dimensions: 38" wide x 13. 75" tall x 23" deep Tuned at 36 hertz 4 Chambered box 1. 32 cuft of airspace per chamber Box can be made bigger or smaller to accommodate other vehicles Box can be sprayed with bedliner material