Alpine SWT-12S4 12" Subwoofer Sub Car Bass Tube Box 1000w peak | eBay
Alpine R2-W8D2 8" R Series 1,000 Watt Car Audio Subwoofer, 2 Ohm, Dual – absoluteusa
Amazon.com: Alpine SWT-10S2 10" 1000W Peak/350W RMS Shallow Slim Truck Car Subwoofer Bundle with Rockville Rock Everywhere Portable Bluetooth Speaker/Waterproof/Wireless Link : Electronics
Alpine | 12” S-Series Shallow Subwoofer Enclosure
Alpine 1000 Watt RMS Subwoofer, Amp And Capacitor for Sale in Tumwater, WA - OfferUp