Open Box Alpine R-Series R2-W12D2 12" Dual 2-Ohm Voice Coils Sub with 750W RMS
It works well in sealed and ported enclosures so you can choose what kind of bass you want to hear and feel. 750 watts RMS (375 watts per coil). 12" subwoofer with dual 2-ohm voice coils. HAMR Santoprene rubber surround.