Alpine SWT-10S2 Woofer, 350 W RMS, 1000 W PMPO, 1 Pack - Walmart.com
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
ALPINE SWT-10S4 10" 1000W SUB 4-OHM SUBWOOFER BASS SPEAKER CAR TRUCK AUDIO NEW | eBay
SWR-12D4 | 2250W Peak 12" Series Dual 4-Ohm Car Sub | Alpine
Alpine Two W12S4 12" 250 Watt 4 OHM Subwoofers with GTX500 Mono Subwoofer Amplifier 500 watts RMS x 1 at 2 ohms - Creative Audio