- For 8", 10", or 12" Subs
- 8" - 2.5 cuft of airspace and tuned to 40 Hertz
- 10" - 4.5 cuft of airspace and tuned to 38 hertz
- 12" - 6 cuft of airspace and tuned to 36 hertz
- Box sprayed with rugged truckbed liner
- Hole sizes, tuning, airspace, and can be customized upon request
- Can be made sealed upon request