Sound Audio System • workshop tool

SAS BOX WIZARD

Design a sealed or bass-reflex enclosure, calculate the port, net volume and complete cut list, and inspect the project in an interactive 3D preview.

Net and gross volume Rectangular and trapezoidal boxes Round and slot ports Interactive 3D model PNG and PDF export

Enclosure parameters Enter the data and the results will update automatically

Bass reflex and tuning
Port area
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Port length
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Port volume
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Length is calculated using the Helmholtz equation and iteratively corrected for the port's own volume.
Speaker cutouts
Use a decimal point or comma. W = width, H = height, D = depth; for a trapezoid, D1 = top and D2 = bottom.

Results and visualization Volume, dimensions and the complete enclosure cut list

Gross Vb (internal)
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Net Vb
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External volume
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Thickness
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Shape
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Port / tuning
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Drag to rotate • double-click to reset the view
Internal dimensions
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External dimensions
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Cut list
PartDimension 1 (cm)Dimension 2 (cm)Qty.Notes
Assumption: butt joints. The front and rear panels are full-size; the top, bottom and side panels fit between them. The correct material thickness has already been deducted from every part.

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