Basket:Die-casting
Cone:Compound Glassfibre Non-pressed Paper Cone With Foam Edge

Size: 15"
Voice Coil: 3" AL
Magnet : 300oz
RMS Power: 3000W
MAX Power: 9000W
Nominal Impedance: 1 Ohm 
Frequency Response: 35Hz~1KHz
Sensitivity: 92dB