Box Design Steps
This 4 step process will show how to design a subwoofer system for your vehicle. For many, this seems like a daunting challenge for mathematicians and alchemists, blending the acoustic voodoo arts with the Pythagorean Theorem. Its really not that hard, and before you bail on the idea in favor of calling on someone to do the work for you, read on a bit and have some fun designing your own system.
The benefit of doing the design yourself is you get to call all the shots; you get the system done like you really want. We have spent years working on the acoustic/enclosure design of the equation, leaving you to enjoy the creative side of your system design.
Our DDBox system takes all the guesswork out of the sound produced, just follow the size/port charts and formulas. Keep in mind that airspace is what makes the bass. Follow the hyperlinks for more in-depth tech sections.
As discussed in the DDBox tech page, DD woofers are built specifically for duty in the DDBox system, the woofers and boxes were developed together to extract the highest efficiency from a given box volume.
Don't start the process with a predetermined idea of what sub size is best, just because your cousin heard a system when he was on vacation at his Uncle Lewey's house and caught a ride with a guy who heard a system once that blew the rear tire off a car with a 6x9 in a cigar box, doesn't mean 6x9s are the only speaker to design your system around (not cigar boxes).
Let the size and shape of the box determine the quantity and size of the subs.