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-1042D Woofer, 500 W RMS, 1500 W PMPO - Walmart.com
Alpine SWR-1042D Type-R 10" subwoofer with dual 4-ohm voice coils at Crutchfield