Pioneer TS-D10D2 D Series 10" subwoofer with dual 2-ohm voice coils at Crutchfield
Amazon.com: Gravity 1x 10 Inch 1500 Watt Car Audio Subwoofer w/ 2 Ohm DVC Power 10 in. Sub - Feature Dual Voice Coil, Thick Magnet, Design for Car, ATV, Van, High Performance Car Show : Electronics
DD AUDIO PSW10a-D2 10" SUB WOOFER 1800W DUAL 2-OHM CAR SUBWOOFER BASS SPEAKER – ASA College: Florida
CAB Ultra 15" inch DVC Dual 2 Ohm (Ultra Series) Car Subwoofer 1500 Watts RMS
Amazon.com: CT Sounds STRATO-10-D2 2500 Watts Max 10 Inch Car Subwoofer Dual 2 Ohm
DS18 EXL-X10.2D 1,750W Max Dual 2-ohm 10" Subwoofer
HIPPOXL102 - 10 inch Subwoofer | 2000 Watts RMS Dual 2 Ohm 3" V.C. Mega