the silver one is 700 watts
the blue one is 600 watts
they are in a custom made double ported box with slanting back to fit snug against the back of the seats.
the specs of the box are as follows:
lengh- 32 inches
height- 14 inches
depth- 8 inches adt the top and 12 inches at the bottom
heres some pics
(amp is not included)
im after £60 for them or nearest offer
would have to be collection only as they are very heavy
when collecting can hear them running