what subs are they?
--comp
--CVR
--CVT
--CVX
--L5
--L7
--soloX
what kind/size is the box
--ported or sealed (bandpass)
--kicker brand box or off brand
--is it in the subs recommended cu.ft. range
all of this info is needed, after you find out what the stuff is worth new find it on a discount site and take half the price off