DEK Sound&Speed - Caraudio, automotive lights and accessories

DEK - Car audio products - Phase inverters

Phase-inverters for subwoofer boxes

DEK offers phase-inverters for your subwoofer boxes. The available dimensions are 65 mm, 80 mm and the widest - 100 mm.

You can see section "Documentation" if you wish to have a look at the schemes for building your own subwoofer.