Alpine S-W10D4 10" S-Series Subwoofer - Extreme Car Audio and Accessories
Alpine Type-E SWE-1042 1-Way 10in. Car Subwoofer for sale online | eBay
Alpine R-W10D4 Type R 10" Dual 4 OHM Subwoofer with GTR-601 Mono Subwoofer Amplifier 600 watts RMS x 1 at 2 ohms - Creative Audio
Alpine S-SB12V Halo Series 12" linkable ported subwoofer enclosure - Breakers Stereo and Performance
Amazon.com: Alpine R-W10D4, R Series Dual 4 Ohm Voice Coil 2250 Watts Subwoofer, 10" : Electronics
Alpine Type R 10 Inch 2250 Watt Max 4 Ohm Round Car Audio Subwoofer | R-W10D4 - Walmart.com
Universal Car Stereo Slotted S Port Single 10" Alpine Bundle Type R R-W10D4 Sub Box Enclosure with Harmony HA-A800.1 Amplifier & 4GA Amp Kit - Walmart.com