SSX12D2                 
12"  Subwoofer with dual 1ohm/2ohm voice coiL, 4000W RMS                  Voice coil    100mm/4" high-temp copper VC
RMS    4000WRMS
MAX power handing    8000W
SPL    87dB
Cone    Carbon fiber
Impedane    Dual 1 ohm / Dual 2ohm
Frequency response    35-2khz
Magnet    three magnets 220mm/ 370 oz
Mounting diameter    315mm
Mounting depth    128mm
XMAX    34mm
Qts    0.3457
Vas    10.3658
Qes    0.4079