Universal Car Stereo Hatchback Sealed Dual 12" Alpine Bundle Type S S-W12D2 Sub Box Enclosure with Harmony HA-A800.1 Amplifier & 4GA Amp Kit - Walmart.com
Alpine SWR-T12 12" 1800W Shallow Mount Subwoofer+Car/Truck Sub Enclosure Box - Walmart.com
Car enclosed subwoofer 12 "30 cm ALPINE SBG-1244BR sound electronics columns 89.8dB subwoofers for cars acoustics auto audio parts components speaker - AliExpress