Single 15 Inch Ported Subwoofer Box Design

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The single 15-inch ported subwoofer box design provides you with the blueprints to build your own vented subwoofer box. This single 15-in sub-box design has a volume of 3.25 ft3 an d a tuning frequency of 32 Hz. A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at [email protected]. *Note: All box designs are non-returnable. There is no refund on box designs. Dimension: (34 x 20.25 x 13.5) Inches Show more