Advice from Axiom, I suspect effective soundproofing comes with a hefty price.

http://www.axiomaudio.com/soundproofing_pt1.html

http://www.axiomaudio.com/soundproofing_pt2.html

Getting to 2,000 posts; one year at a time vp160/qs8/qs4/SVS 2000/m60/Monolith 3x200 amp