Features:
10" Single 4-Ohm Subwoofer
Proprietary DDC Coated Paper/Wool Cone
Pressed 4-Layer Large Roll Foam Surround
2" Vented BASV Voice Coil Former
Perimeter Aero-Vent Voice Coil Cooling Vents
Non Resonance DDC Coated Stamped Steel Basket
Rubber Mounting Gasket/Trim Ring
Chrome Push Terminals
Optimally Designed for Both Small Sealed or Ported Enclosures

Specs:
Cutout Diameter: 9 1/8 in
Mounting Depth: 5.25 in
Subwoofer Frequency Range: 33 Hz - 500 Hz
Nominal Impedance: Single 4-Ohm
Power Handling (RMS/Peak): 275 / 550 watts