Woofer: Steel Basket, PP Cone With Rubber Edge

Size: 10" x 2
Voice Coil:2"
Magnet : 40oz
RMS Power: 400W
MAX Power: 800W
Nominal Impedance: 4 Ohm 
Frequency Response: 38Hz~1KHz
Sensitivity: 90dB

Woofer: Steel Basket, PP Cone With Rubber Edge

Size: 12" x 2
Voice Coil:2"
Magnet : 40oz
RMS Power: 500W
MAX Power: 1000W
Nominal Impedance: 4 Ohm 
Frequency Response: 35Hz~1KHz
Sensitivity: 90dB