Amazon.com: Alphasonik NSW412 Neuron 400 Series 12” 1500 Watts Max / 500 Watts RMS Dual 4 Ohm Car Subwoofer w/ High Grade Magnet Non Pressed Paper Carbon Stitched Cone Cooling Rings System
Amazon.com: Pyle 10'' Dual Bass Subwoofer Box System - 500-Watt Slim Mount Truck Audio Subwoofer Box, 4 Layer Dual Voice Coil, Rear Vented Design with Built-in Illuminating LED Lights - PLBAS102LE : Electronics
Amazon.com: Massive Audio ECO12S4 – 12 Inch Car Audio 500 Watt ECO Series Subwoofer, Single 4 Ohm, 6mm Top Plate, Steel Basket. Sold Individually : Electronics
Amazon.com: American Bass Sl104 10 500w Car Audio Slim Subwoofer Sub 500 Watt : Electronics
Amazon.com: Audiopipe APSB-1299PP Dual 12 Inch Car Audio Subwoofer Speakers and Sealed Enclosure, 2 Channel 500 Watt Amplifier, and Wire Installation Kit : Electronics
Amazon.com: Pyle Slim Subwoofer Box System - 500 Watts, Perfect for Mount Car Truck Audio Powered Subwoofer Enclosure, High Powered 10-inch Woofers with a Non-Pressed Paper Cone - PSBS10,Black : Electronics
Amazon.com: Rockville RV10P 10" 500w Car Audio Subwoofer in Vented Sub Enclosure Box - 4 Ohm : Automotive
Amazon.com: Pyle Single 10" Inch Vented Subwoofer Enclosure - 500 Watt Peak Power Car Audio Sub Woofer Speaker with Built-in Multi-Color LED Illuminating Ring Light & Remote Control : Everything Else