Amazon.com: Cadence 10 Inch Car Subwoofer, High Performance 700 Watts Dual 2 Ohm 2 Inch Black Aluminium 4 Layer Voice Coil, Ultra Drive Series Car Audio Woofer UD10D2, Single : Electronics
Amazon.com: ORION XTR Series XTR152D 15” Car Subwoofer - 3000W Max Power, 750W RMS, High-Temperature Dual 2-Ohm, Interlaced Conex Spider W/Enhanced Voice Coil Cooling - for Cars, Trucks, Jeeps Audio Stereo :
Amazon.com: (2) Skar Audio Sdr-10 D2 10" 1200W Max Power Dual 2 Ohm Car Subwoofers, Pair of 2 : Electronics
Amazon.com: Skar Audio SDR-10 D2 10" 1200 Watt Max Power Dual 2 Ohm Car Subwoofer : Electronics
Amazon.com: Timpano 12" Sub D2 2500 Watts Max Power Dual 2 Ohm, 12 Inch Car Subwoofer 23.5 mm High Xmax, TPT-T2500-12 D2, 3 in Voice Coil, Competition Sub Woofer for Car Audio
Amazon.com: Rockville W65K9D2 6.5" 1000w Peak Car Audio Subwoofer Dual 2-Ohm Sub 250w RMS CEA Rated : Electronics
Amazon.com: Cadence 8 Inch Car Subwoofer, High Performance 800 Watts Dual 2 Ohm 2 Inch Black Aluminium 4 Layer Voice Coil, Ultra Shock Series Car Audio Woofer US8D2, Single : Electronics
Amazon.com: NVX VCW122v3 12" 2400 Watt Peak (1200W RMS) Dual 2-Ohm VC-Series Car Subwoofer (VCW122 Version 3) : Electronics
Amazon.com: Audiotek AT3500S 2 Channel Stereo Car Amplifier - 3500 Watts, 2 Ohm Stable, LED Indicator, Full Range, Bass Knob Included, Great for Speakers and Subwoofers : Electronics