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Amazon.com: Visaton W170S-4 6.5" Woofer with Treated Paper Cone 4 Ohm : Electronics
Amazon.com: PyleUsa Single Voice Coil Car Subwoofer - 8 Inches, 200 Watts at 4-Ohm Car Audio Powered Subwoofer, Injection Cone with Rubber Edge, High-Powered Car Subwoofer, Audio - PLMW83 Black : Electronics
Amazon.com: Pyle 2.1 Channel TV Soundbar Speaker - Wireless Bluetooth 500W 35'' Sound bar Home Theater Stereo System w/Subwoofer, HDMI-ARC, Optical, USB, AUX, Remote Control - PSBV28HB : Electronics
Amazon.com: Alphasonik 15" Flagship Series 1400 Watts Raw Sub Woofer Speaker Cast Aluminum Basket Driver for Pro Audio PA DJ Cabinets Subwoofer with High Handling Power Extremely Clear and Loud - FW1532 :
Amazon.com: Pyle 3.5 Inch Car Audio Speaker - Single Voice Coil Subwoofer with Rubber Edge - PLMG35 : Electronics
Amazon.com: W-KING Loud Bluetooth Speakers with Subwoofer, 80W Party Portable Outdoor Speakers Bluetooth Wireless -Deep Bass, Huge 105dB Sound, Mixed Color Lights, 24H, AUX, USB Play, TF Card, EQ, Non-Waterproof : Electronics
Amazon.com: Rockville RVB10.1A 10 Inch 500W Active Powered Car Subwoofer+Sub Enclosure Box, Black : Electronics
Amazon.com: Pyle 5 Inch Woofer Driver-Upgraded 200 Watt Peak High Performance Mid-Bass Mid-Range Car Speaker 450Hz-7kHz Frequency Response 15 Oz Magnet Structure 8 Ohm w/ 92dB and Paper Coating Cone-PDMR5 Black :
Amazon.com: Portable Speaker with Bluetooth, Connect to iPhone, iPad or Android, Double Subwoofer Heavy Bass, Perfect for Events, Silver : Electronics