Amazon.com: Pyle Car Subwoofer Audio Speaker - 8in Non-Pressed Paper Cone, Black Plastic Basket, Dual Voice Coil 4 Ohm Impedance, 800 Watt Power and Foam Surround for Vehicle Stereo Sound System -
Amazon.com: Car Vehicle Subwoofer Audio Speaker - 8 Inch Blue Injection Molded Cone, Blue Chrome-Plated Steel Basket, Dual Voice Coil 4 Ohm Impedance, 600 Watt Power, for Vehicle Stereo Sound System -
Amazon.com: Pair of Gravity G3 12 Inch 4000 Watt Package Car Audio Subwoofer w/ 4 Ohm DVC Power (2 Woofers) : Electronics
Amazon.com: Massive Audio HIPPOXL64 – 6 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 6" Subwoofer 300 Watt RMS, 600w MAX Dual 4 Ohm, 2 Inch Voice Coil. Sold Individually : Electronics
Amazon.com: 10" Car Audio Speaker Subwoofer - 1000 Watt High Power Bass Surround Sound Stereo Subwoofer Speaker System - Non Press Paper Cone, 90 dB, 4 Ohm, 50 oz Magnet, 2 Inch
Amazon.com: Seismic Audio - SA-GFC124-12 Inch 2200 Watt Max Power Dual 4 Ohm Car Audio Subwoofer : Musical Instruments
Amazon.com: 2X SoundXtreme ST-412 Premium Elite 12 Inch Car Audio Subwoofer 4000 Watts Max Power for Pair Dual 4 Ohm Voice Coil High Power Bass Surround Sound 12" Sub Speaker System Pair : Electronics
Amazon.com: 1000W Dual Bandpass Speaker System - Car Audio Subwoofer w/ Neon Accent Lighting, Plexi-Glass Front Window w/ 4 Tuned Ports, Silver Polypropylene Cone & Rubber Edge Suspension - Pyramid BNPS102 : Electronics
Amazon.com: BOSS Audio Systems P126DVC Phantom 12-Inch 2300 Watts 4 Ohm Dual Copper Voice Coal Car Audio Stereo Subwoofer Speaker with Poly Injection Cone : Electronics
Amazon.com: 6.5 Inch Car Woofer Speaker - 300 Watt High Powered White Injected Polypropylene Cone Car Audio Sound Component Speaker System w/ High-Temperature Kapton Voice Coil, 4 Ohm, 40oz Magnet - Pyramid
Amazon.com: DS18 ZR6.4D Elite-Z 6 Inch Car Audio Subwoofer 600W Watts Dual Voice Coil 4-Ohm DVC 4+4 Ohm (1 Speaker) : Everything Else
Amazon.com: Car Vehicle Subwoofer Audio Speaker - 15 Inch Competition Grade Pressed Paper Cone, 2 Ohm DVC, Advanced Air Flow, 4800W Power for Stereo Sound System - Gravity Warzone G715D2 (1 Subwoofer) : Electronics
Amazon.com: 2X Soundxtreme ST-1252 12 Inch 2600 Watts Max Power for Pair Car Audio Subwoofer Dual 4 Ohm Voice Coil Configuration Competition 12" Subs Elite Stereo Speaker System : Electronics
Amazon.com: AudioPipe TXX-BDC4-10 10 Inch 1800 Watt High Performance Powerful 4 Ohm DVC Vehicle Car Sub Audio Subwoofer Speaker System, Black : Electronics
Amazon.com: AudioPipe TXX-BDC4-12D 12 Inch 2,200 Watt High Performance Powerful Dual 2 Ohm DVC Vehicle Car Audio Subwoofer Speaker System, Black : Electronics
Amazon.com: Pair of Car Vehicle Subwoofer Audio Speaker - 10 Inch Competition Grade Pressed Paper Cone, 4 Ohm Impedance, Advanced Air, 1000W Power for Stereo Sound System - Audiotek K710 (2 Subwoofers) PK10 : Electronics
Amazon.com: AudioPipe TXX-BDC4-15D 15 Inch 2,800 Watt High Performance Powerful Dual 2 Ohm DVC Vehicle Car Audio Subwoofer Speaker System, Black : Electronics
Amazon.com: JBL Stage 810 800W Max 8" Stage Series Single 4 ohm Car Audio Subwoofer Speaker Bundled with Alphasonik Earbuds : Electronics
Amazon.com: Pyle PLG64 6.5" 1200W Car Audio Mid Bass/Midrange Subwoofer Speaker Set, 2 Pair with Yellow CD P.P. Cone, 4 Ohm Impedance, and Edge Suspension : Electronics
