Alpine SWX-1243D Type-X 12" Subwoofer - Signature Car Sound
Sealed / Recessed Sub Box for (2 12") Alpine Type X Subs - Subwoofer Enclosure | eBay
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Alpine X-Series 12" Dual-Voice-Coil 4-Ohm Subwoofer Black X-W12D4 - Best Buy
2) Alpine Type X 12's Mrp-M2000 - YouTube
Amp For Alpine Type-x 12" | Mazda 6 Forums
Custom Ported Sub Box Enclosure for 1 12" Alpine Type X Subwoofer ~ X-Series | eBay
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Alpine SWX-1242D (SWX1242D) 12" Dual 4 ohm Type-X Car Subwoofer
Alpine X-W12D4 Car Audio Type X Dual 4 Ohm 1800 Watt 12" Subwoofers with Sub Install Kit Package : Electronics
Alpine SWX-1243D Type-X 12" Car Subwoofer
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Alpine SWX-1243D Type-X 12 Subwoofer
Amazon.com: Alpine X-W12D4 Car Audio Type X Series Sub 1800W Peak 12" Subwoofer Bundle with Harmony HA-A800.1 Amplifier & Amp Kit : Electronics
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Amazon.com: Alpine Bundle Compatible with Universal Car X-W12D4 Type X 12" Loaded SPL Bass Subwoofer Labyrinth Vent Sub Box Stereo Enclosure : Electronics
LAB SlapBox™ 2.00 ft^3 Ported MDF Enclosure Box for Single Alpine 12" Type-
Alpine 12” Type X-Series Ported Bass Package Includes one Alpine X-W12D4 12” subwoofer, and 2.00 ft³ optimized ported enclosure