MB Quart RW1-304 Reference Series 12" Dual Voice Coil 4 Ohm 2000 Watts Subwoofer (Each)

Subwoofer Voice Coils:   2 Subwoofer Impedance (ohms):    4 Subwoofer RMS Power Handling (watts): 1000 Subwoofer Peak Power Handling (watts):   2000 Subwoofer Cut-Out (in):    11.10 Subwoofer Mounting Depth (in):    7.32 Subwoofer Outside Diameter (in):   12.83 Subwoofer Sensitivity (1 watt/1 meter):   85.3dB Subwoofer Size (in) :   12