inputs.text: extrehemely pleased - little meim 38 years old intstalling car audio systehems probably half town since 16 no box building skills purchasing prefab boxes since started installing needless say alot boxes alot research starting specs subs installing box matched required cubic volume subs went box 2 jl audiow3s subs powered hifonics brutus 1200x1 monoblock amp replacing old box new one upgrading amppower say wow boxamp combo really brought jls life craftsmanship quality box superior purchased past downfall encountered install positive side speaker hook inside box broke upon tightening suspect low grade hardware maybe little enthusiastic overtightened great product arrived earlier expected would highly recommend product