http://www.woofersetc.com/index.cfm?fuseaction=product.display&Product_ID=2264 my frind wonts more bass he onely has 200wats to work with but he has a 12in soney p5 in a wallmart box now if i port this will it do the trick if not what will he wonts to spend less then 100 on a sub and the box i know the he is not the best sub out ther but it has to be beter then soney