1000W Alpine Type R Subwoofer + Cache CDM Sound Damp Material
Alpine SWT-10S4 10" 1000W Peak/350W RMS Shallow Slim Truck Car Subwoofer Bundle with AudioControl The Epicenter Black Digital Car Bass Processor with Remote Audio Control - Walmart.com
Best Buy: Alpine Type-R 12" 1000W Subwoofer Black SWR-12D4