Info on the SoundStream Sub and a pic
dual voice coil
rubber magnet cover
50 oz magnet
700 watts max
stainless steel stamped basket
UDV cooling technology
low resonance woven carbon fibre cone
black progressive roll conex spider
c - lock rubber gasket
hi - arc high excursion surround
2" BAEISV hybrid voice coil former
vented and extended pole piece
low carbon top and bottom plate
and some more info on the JVC 2 channel amp:
model number KS-AX5602
150w RMS x 2 channel at 4 ohms
800w max bridged at 4 ohms