Alpine SWX-1243D 12" Type-X 3000W Dual 4 ohm Car Subwoofer
Destroying an Alpine Type X Subwoofer - YouTube
Alpine SWX-1243D Type-X 12 Subwoofer
Car subwoofer 12 "30 cm ALPINE X-W12D4 sound electronics columns 84.3dB subwoofers for cars acoustics auto audio parts components speaker _ - AliExpress Mobile
Alpine SWX-1043D Type-X 10" subwoofer with dual 4-ohm voice coils at Crutchfield
Alpine 12” Type X-Series Ported Bass Package Includes one Alpine X-W12D4 12” subwoofer, and 2.00 ft³ optimized ported enclosure
Disassembly of an Alpine Type-X SWX-1243D (will post more as I get deeper) : r/CarAV
Alpine Car Subwoofers for sale in San Luis Potosí City | Facebook Marketplace | Facebook
Alpine SWX-1043D Type-X 10" subwoofer with dual 4-ohm voice coils at Crutchfield