Amazon.com: Pioneer TSW312D4 Champion Series 12" 1500 Watt Dual 4 Ohm Voice Coil DVC Car Subwoofer : Electronics
Amazon.com: HERTZ Mille Pro Series MP-250-D23 10 in. (250mm) 600 Watt RMS 2-Ohm DVC Subwoofer : Electronics
Amazon.com: Rockville RVB12.1A 12 Inch 500W Active Powered Car Subwoofer+Sub Enclosure Box : Electronics
Amazon.com: Sky High Car Audio Resilient Sounds Team 18 5000 Watt Rms Subwoofer : Electronics
Amazon.com: Polk Audio HTS 10 Powered Subwoofer with Power Port Technology | 10” Woofer, up to 200W Amp | For the Ultimate Home Theater Experience | Modern Sub that Fits in any
Amazon.com: Memphis Audio MJM644 MOJO Series 6.5 Inch 700 Watt RMS 1,400 Watt Peak Dual Subwoofer Vehicle Car Audio System : Electronics
Amazon.com: DB Drive WDX8G2-4 1500 W Max 8" Dual 4-Ohm Voice Coil Stereo Car Audio Subwoofer : Electronics
Amazon.com: Harmony Audio HA-R124 Car Stereo Rhythm Series 12" Sub 600W Single 4 Ohm Subwoofer : Electronics