I had already really big systems in the car with the trunk extension and all the bells and whistles. I believe I can well judge that this subwoofer is his money more than value. After a slight hesitation, if I can believe all the good recessions, I ordered and was not disappointed at all. Installed in my second car, a Golf 3 Variant with a 2-way JBL system in the front original installation locations in doors and instrument panel, on which hangs a small Alpine amplifier, the Sub makes the trunk a really good bass support. It can be adapted perfectly to sound the existing components and is also still very easy to install and connect by cable set. I needed to be installed using a cordless screwdriver about 2.5 hours and saw worked very closely and dismantled the car for half. It must also not an expensive backup (as with thick power lines necessary) bought later because the cable cross-section is small, but has no effect on the performance of Sub`s. A fuse holder with fuse batterienah dazwischengecrimpt (little money at car accessory dealer around the corner) for both positive wires and everything is complete. With compliments BO