Basket: Aluminum
Cone:Paper Cone With Cloth Edge
Dust Cap:Phase Plug

Size: 8"
Voice Coil:1.5"
Magnet : 30oz 
RMS Power: 150W
MAX Power: 300W
Nominal Impedance: 4 Ohm 
Frequency Response: 65Hz~1.8KHz
Sensitivity: 92dB