![Amazon.com: Harmony Audio HA-R104 Car Stereo Rhythm Series 10" Sub 500W Single 4 Ohm Subwoofer : Electronics Amazon.com: Harmony Audio HA-R104 Car Stereo Rhythm Series 10" Sub 500W Single 4 Ohm Subwoofer : Electronics](https://m.media-amazon.com/images/I/918dBnb96DL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Harmony Audio HA-R104 Car Stereo Rhythm Series 10" Sub 500W Single 4 Ohm Subwoofer : Electronics
![Amazon.com: Sound Town 12” 500W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement Woofer for PA/DJ Speakers or Subwoofer Cabinets (STLF-12120A) : Musical Instruments Amazon.com: Sound Town 12” 500W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement Woofer for PA/DJ Speakers or Subwoofer Cabinets (STLF-12120A) : Musical Instruments](https://m.media-amazon.com/images/I/716N1hMLsSL.jpg)
Amazon.com: Sound Town 12” 500W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement Woofer for PA/DJ Speakers or Subwoofer Cabinets (STLF-12120A) : Musical Instruments
![Massive Audio Massive MMA Series 12-Inch 500-Watt-RMS Dual 4-Ohm Subwoofer Black Black MMA 124 - Best Buy Massive Audio Massive MMA Series 12-Inch 500-Watt-RMS Dual 4-Ohm Subwoofer Black Black MMA 124 - Best Buy](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/6430/6430788_sd.jpg)
Massive Audio Massive MMA Series 12-Inch 500-Watt-RMS Dual 4-Ohm Subwoofer Black Black MMA 124 - Best Buy
![Amazon.com: Rockville RVB10.1A 10 Inch 500W Active Powered Car Subwoofer+Sub Enclosure Box, Black : Electronics Amazon.com: Rockville RVB10.1A 10 Inch 500W Active Powered Car Subwoofer+Sub Enclosure Box, Black : Electronics](https://m.media-amazon.com/images/I/713h4X+kF1L._AC_UF1000,1000_QL80_.jpg)