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
Alpine SWR-12D2 - 12 Inch Subwoofer - Car subwoofers - Custom Sounds & Tint
Alpine
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
Universal Fit Alpine S-W12D2 Type S Triple 12" Subwoofer Loaded Sub Box New 793276242150 | eBay
Alpine RS-W12D2 12” 600 Watt RMS Shallow Car Audio Subwoofer Dual 2-ohm Slim Sub - Walmart.com
Alpine S-W10D4 S-Series 10" subwoofer with dual 4-ohm voice coils at Crutchfield
Alpine W12S4 12-inch Single 4 Ohm Subwoofer - Creative Audio