i have the boston-g5/12' svc-in the box the man that done the box works at a shop that sells boston subs and this is what he built me and told me thats the box thay shoud be in-- but it sounds like shit on anything i play. this was a gift from me for a good friends sun on his-b-day- and i would like it 2sound good but ant shure what 2do to the box 2get it right..i have a boston gt28 runing the subs at2o at the amp and the hiend has a boston amp runing all boston 6.5comps in all 4doors the mid/top sound dam good bass like shit/// if any one can help me out with this it would be great--and again thanks 2all who have replyed 2this.