Pioneer® Sealed Active Subwoofer With Built-in Class D Amp (12 Inch, 1,300 Watts Max) : Target
Amazon.com: 2 X Pioneer TS-300D4 12 Inch 1400 Watts Max Power Dual 4-Ohm Voice Coil Car Audio Stereo Subwoofer Loudspeakers/Free Alphasonik Earbuds : Electronics