kenwood kfc-ps3016w

Hi Car Audio fans I currently have a systen in my car. I have a Pioneer MVH-X508DAB, 4 pioneer 5.25 inch speaker, 1 Kenwood KAC-6406 driving them. I am happy with the loudness and quality overall but I still need a subwoofer to complete it all. I have bee thinking a lot about it and decided...