Basket:Steel 
Cone: Paper Cone With Rubber Edge

Size: 4" 3 Way
Voice Coil: 1"
Magnet : 6 oz
Tweeter:1.5" Polyester & Piezo Tweeter
RMS Power: 80W
MAX Power: 150W
Nominal Impedance: 4 Ohm 
Frequency Response: 100Hz~20KHz
Sensitivity: 90dB