Die-cast basket with black finished
Black non-press paper cone
Hi-roll high-density Ribbed foam surround 
4“ 4-layer flat aluminum wire voice coil
Triple stacked 504oz magnets(each magnet size 254x127x25;)
1-pc 25mm thick top plate
Carbonized dust cap
4-pc reliable spiders
10-gauge pure copper power cable for direct connecting
Voice coil direct cooling design motor
Rubber gasket and rubber magnet boot
5000W RMS POWER,10,000W MAX POWER
DVC-2ohm impedance
Packaging: polyfoam+inner box;1pc in one carton