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

Size: 12"
Voice Coil: 3" AL
Magnet : 300oz
RMS Power: 2500W
MAX Power: 7000W
Nominal Impedance: 1 Ohm 
Frequency Response: 38Hz~1KHz
Sensitivity: 92dB