okay thank you, what would you suggest? I know the speakers say 85Hz to 21,000KHZ but i do doubt that they can go that low. I do have midbasses up front as well but I would like to stay with the 3.5's for winter do to snow on the floor and I would hate to ruin a good pair of components by the wet getting to them (kickpanels). if I stay with the 3.5s what would you recommend my sub stage to be crossed at?

Thank you