How to Build a Subwoofer Box Program

Written by alex zang
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How to Build a Subwoofer Box Program
Subwoofers specialise in bringing out lower frequency sounds, such as bass. (Hifi modern aluminium subwoofer image by Vladimir Karpenko from

The design of a subwoofer enclosure is essential to getting the highest quality sound. While you can purchase a subwoofer enclosure and install your sub into it, the purchased enclosure may not be as good as one you can design yourself. Several variables factor into creating a high-quality sub enclosure -- the material used, the volume of the enclosure, and even the length-to-width ratio makes a difference. Several programs are available to help you design your own sub enclosure.

Skill level:


  1. 1

    Use the Subwoofer Design Toolbox, located in the Resources section, to help you design your enclosure. Once you have the program, you'll need to input all known parameters -- what type of subwoofer you have, what volume it works best in, how much room you have to place the subwoofer. After you're finished, the program will put the numbers through a formula to come up with a subwoofer enclosure, complete with some sketches. As of February 2011, the program costs £19.40 to purchase (plus tax).

  2. 2

    Go to AJ Audio in the Resources section and download AJ Audio Subwoofer Design Software. The program is freeware, meaning that you can download it and use it as many times as you want without paying for it. The program features three separate enclosure design types: band pass, sealed and vented. Select which design you would prefer, than input your subwoofer's specifications. The program will run the numbers and come back with the ideal enclosure design.

  3. 3

    Head to Sisteca and download Box Designer Gold Edition, a free program that uses 3D Cad drawings to help you design your own subwoofer enclosure. To use the program, input the variables you have, and the program will reproduce a 3D model of your enclosure. You can rotate this model to see what it looks like from all angles, as while as modify it to suit your own purposes.

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