Works with any type and size of driver (8, 10, 12, 15 inch). This site provides the instructions and 'how to' information to successfully plan, design, construct, build and setup subwoofer enclosure systems using AJ Bandpass Designer, Sealed Designer and Vented Designer. Can be used for car, truck, sport utility vehicle (SUV), Jeep automotive, guitar and home theater applications and projects. Providing subwoofer design software programs for solving the required calculations for custom bandpass, sealed and vented box cabinet designs.