Type: Subwoofer
Subwoofer Size: 18" (460mm)
RMS Power: 5000 watts
Peak Power: 10000 watts
Impedance: Dual 0.7 Ohms
Voice Coil Diameter: 100mm
Voice Coil Winding: 4 layer 65mm flat Aluminium
Recommended Amplifier: EDX5000.1FD-E9 

Magnet Weight: 612oz
Magnet Dimensions: 11" x 1" (280mm x 25mm)
Mounting Depth: 10.4" (265mm)
Mounting Diameter: 13.85" (352mm) 

Features
Ribbed surround
USA built voice coil
Aluminium heat sink and extraction pole
Cast alloy torsion basket
Dual 0.7 Ohms voice coil
High power motor