Here are some of the features of the Pyramid PW1286X:
New Pattern Strong Black Paper Cone
Wide Heavy Foam Surround
Rigid Powder Coated Stamped Steel Basket
Bumped & Vented Pole Piece With Rubber Gasket & Rubber Magnet Boot
2'' 4-layer Kapton Voice Coil
90 oz. Magnet
500W RMS/1000W Peak
SPL (1W/1M): 86.1dB
4 Ohm Impedance
Overall Diameter: 12.52''
Mounting Depth: 5.16''