FAQ's and Tips for using this calculator
1. Use Outermost Dimensions: Inner volume, porting, and other factors are calculated separately.
2. Outer Covering Options: None: No covering, bare MDF.
Carpeting: We stock Black and Dark Gray automotive carpeting, custom colors available upon request.
Fiberglass: Fiberglass coating, sanded smooth and painted in your choice from a variety of matte or gloss colors
3. Sealed vs. Ported: If you know the dimensions of the porting you want, add it in the comments. If you don't we can calculate this using the box dimensions. We also offer box design services to create a box catered to your subwoofers!
4. Shipping Costs: Shipping costs are not included with estimate. We are happy to accomodate local pickup or using a shipping label you provide.
5. More Complex Designs: This form is only for simple wedge, square, or rectangular boxes. For custom designs please contact us.
6. Payment: Payments are accepted through eBay, Paypal, or Cash. For your security we do not accept any payments through this website.


Box Diagram
Box Width: Box Length 1: Box Length 2: Box Height:
Subwoofer Size: Number of Speakers: Outer Covering: Sealed/Ported:
Estimated Cost: Approximate Weight
Other Comments/Specifications: (Not Included in Estimate)
Submit estimate for approval and shipping costs
Name: Phone: E-Mail: Ship to Zip Code: