Features:
12" Dual 4-Ohm Subwoofer
650 Watts RMS / 1300 Watts Max
Woven Glass Fiber Cone With Pressed Kraft Paper Reinforcement
Nitrile Butadiene Rubber (NBR) Surround
2.5" Vented BKSV Voice Coil Former
Perimeter Aero-Vent Voice Coil Cooling Vents
Non Resonance DDC Coated Cast Aluminum Basket
XTRA XTRA Large Double Stacked Motor Structures
Square Spring Loaded Nickel Plated Input Terminals
Optimally Designed for Both Sealed or Ported Enclosures

Specs:
Cutout Diameter: 11.0"
Mounting Depth: 8.6 in