Features:
High excursion foam surround
True Carbon fiber dust cap
Custom Die cast Aluminum Basket
Triple Layer Progressive dampeners
Large Gauge push speaker terminals
3-inch-high temperature 4-layer voice coil
Custom Rubber protective magnet band
Triple stacked Y35 ferrite oxide magne t

Specs:
Structure: 15" (38.1cm) Woofer
Dynamic Power Handling: 8000 Watts
Nominal Power Handling: 4000 Watts
Impedance: Dual 1 Ohm Voice Coil

Dimensions:
Outside Diameter: 15.82" (402mm)
Cutout Diameter: 13.85" (352mm)
Mounting Depth: 11.75" (298mm)