BOSS Audio Systems P120F Phantom Series 12 Inch Car Audio Subwoofer - 1400 Watts Max, Single 4 Ohm Voice Coil, Sold Individually, For Truck, Boxes and Enclosures, Use With Amplifier
Dayton Audio RSS390HE-22 15" Reference Series High Excursion Subwoofer 2+2 ohm
Car Audio Subwoofers for Sale | Seismic Audio
FOCAL P 30F FLAX 12INCH PERFORMANCE 400RMS@4OHM SUBWOOFER! QUALITY BASS!TOP SUB - Driving Sound