21'' Monster sub 5000rms D1

HIGHLIGHTS
5000rms power handling
4.5" 8 layer copper voice coil 
Dual 1ohm high temperature voice coil 
High temperature Japanese glue
Carbon Fibre Cone and Dust Cap
Black cast aluminium basket
13" dual progressive spider
Quad stitched on tinsel lead
10AWG Nickle plated push terminals 
Triple 300mm magnet stack
High velocity pole vent
62KGS
1 year warranty