Alpine X-W12D4 X-Series 12" subwoofer with dual 4-ohm voice coils at Crutchfield
Alpine SWX-1243D Type-X 12" subwoofer with dual 4-ohm voice coils at Crutchfield
Alpine SWX-1043D 10" subwoofer - Alpine Car Audio
Alpine 12 Inch Bass Line Subwoofer (W12S4) | SK Customs Car Audio & Home Theater | Atlanta | Norcross | Duluth | John's Creek
Best Buy: Alpine X-Series 12" Dual-Voice-Coil 4-Ohm Subwoofer Black X-W12D4
ALPINE X-W12D4 12" 900 Watt RMS Car Audio Subwoofer DVC Dual-4ohm X-Series Sub | Audio Savings
Custom Sub Enclosure | Affordable Sub Box
Alpine Type X 12 subwoofer VS wallsocket 120 volts - YouTube
Disassembly of an Alpine Type-X SWX-1243D (will post more as I get deeper) : r/CarAV
Amazon.com: Alpine S-W12D4 Car Audio Type S Dual 4 Ohm 1200 Watt 12" Subwoofers with Sub Install Kit Package : Electronics
Amazon.com: Alpine X-W12D4 12" Component Subwoofer : Electronics
Best Buy: Alpine 12" 1000 W Woofer SWX-1243D
Alpine 10 Inch Type-R Subwoofer (R-W10D4/D2) | SK Customs Car Audio & Home Theater | Atlanta | Norcross | Duluth | John's Creek
Alpine SWX 1243D Type X 12 subwoofer XMAX Ripping apart my car Crazy Bass - YouTube
Alpine Type-X SWX-1242D 12" subwoofer with dual 4-ohm voice coils at Crutchfield
 Alpine Type X Subs - Subwoofer Enclosure | eBay")
Sealed / Recessed Sub Box for (2 12") Alpine Type X Subs - Subwoofer Enclosure | eBay
Alpine Car Speakers and Subwoofers X-W12D4 (12" Subwoofers) from World Hi-Fi Video & Appliance
Alpine SWX-1243D at Onlinecarstereo.com
Alpine SWX-1243D Type X 12" & Kicker DX1000.1 1000W RMSClass D Mono Car for Sale in Los Angeles, CA - OfferUp
2) ALPINE X-W12D4 12" 900w RMS Car Audio Subwoofers+Vented Sub Box En – absoluteusa
Alpine Type X 12“ inch Subwoofer with Super Bass ProBox Enclosure for Sale in Denton, TX - OfferUp
Alpine SWX-1243D Type-X 12" Subwoofer - Signature Car Sound
US ALPINE SWX-1242D Type-X Series 12 Ω DRIVE '05 Model Unused Enclosure BOX Set | Sub Woofer with BOX | Croooober
