Alpine X-W12D4 12 Inch 2700W Dual 4 Ohm X-series Audio Power Subwoofer Sub 793276040480 | eBay
Amazon.com: Alpine ALP19-R-W12D4 Car Audio Type R Series Sub Dual 4 Ohm 1500W Peak 12" Subwoofer : Electronics
Amazon.com: Alpine Bundle Compatible with Universal Car X-W12D4 Type X 12" Loaded SPL Bass Subwoofer Labyrinth Vent Sub Box Stereo Enclosure : Electronics
Subwoofer Box Alpine Type R SWR-1242D | Ported Box | Slot
Alpine R2-SB12V Single Type R2 12-in Subwoofer in Vented Enclosure - Creative Audio
Disassembly of an Alpine Type-X SWX-1243D (will post more as I get deeper) : r/CarAV
![Custom Ported Sub Box Enclosure for 1 12" Alpine Type X Subwoofer ~ X-Series | eBay](https://i.ebayimg.com/images/g/rfAAAOSwC-5d3-B6/s-l1600.jpg "Custom Ported Sub Box Enclosure for 1 12" Alpine Type X Subwoofer ~ X-Series | eBay")
Custom Ported Sub Box Enclosure for 1 12" Alpine Type X Subwoofer ~ X-Series | eBay
Alpine Type X 12“ inch Subwoofer with Super Bass ProBox Enclosure for Sale in Denton, TX - OfferUp
Two 12” Alpine Type X Subwoofers with professional built custom box - Subwoofers & Enclosures - Longmont, Colorado | Facebook Marketplace | Facebook
Amazon.com: Alpine X-W12D4 12" Component Subwoofer : Electronics
Alpine - R2-W12D2 Next-Generation 12-inch (30cm) R-Series Subwoofer with Dual 2-Ohm Voice Coils
Amazon.com: Alpine X-W12D4 Car Audio Type X Dual 4 Ohm 1800 Watt 12" Subwoofers with Sub Install Kit Package : Electronics
Alpine Type X 12“ inch Subwoofer with Super Bass ProBox Enclosure for Sale in Denton, TX - OfferUp
![Custom Alpine Type X 12" SWX-1243D Subwoofer System, Qty 2 (4 speakers) | eBay](https://i.ebayimg.com/images/g/X~oAAOSwiStdA52I/s-l1600.jpg "Custom Alpine Type X 12" SWX-1243D Subwoofer System, Qty 2 (4 speakers) | eBay")
Custom Alpine Type X 12" SWX-1243D Subwoofer System, Qty 2 (4 speakers) | eBay
 Alpine Type X Subs - Subwoofer Enclosure | eBay")
Sealed / Recessed Sub Box for (2 12") Alpine Type X Subs - Subwoofer Enclosure | eBay
Alpine 12” Type X-Series Ported Bass Package Includes one Alpine X-W12D4 12” subwoofer, and 2.00 ft³ optimized ported enclosure
Alpine X-W12D4 X-Series 12" subwoofer with dual 4-ohm voice coils at Crutchfield
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
Alpine Type R 12 Inch 2250 Watt Max 4 Ohm Round Car Audio Subwoofer | R-W12D4 - Walmart.com
Alpine SWX-1243D 12" Type-X 3000W Dual 4 ohm Car Subwoofer
Amazon.com: Alpine X-W12D4 12" Component Subwoofer : Electronics
Alpine R2-W12D2 12" 750w RMS Car Subwoofer Sub+(2) Stereo Bluetooth Speakers - Rockville Audio
