Ive done a lot of research but its pretty limited on what im looking for. I have a crystal cse 15" in a 4.1 cubic ft box. Its ported I used a port calculator online that told me two 3"x4.5" ports would tune my enclisure to 36 hz. Anyhow my question is.......is this enough port area? Any help is appreciated. Its actualy pretty loud but I feel like maybe 2 4" ports could be beneficial........
