LAB SlapBox™ 2.00 ft^3 Ported MDF Enclosure Box for Single Alpine 12" X-Series Subwoofer
ALPINE X-W12D4 2700W RMS 12" X-SERIES DUAL 4 OHM CAR AUDIO POWER SUBWOOFER SUB | eBay
Alpine | R2-W12D4 | 12" R-Series Subwoofer
Alpine X-W12D4 12-Inch Subwoofer. Had My Papa Help Me Wire This With A Chart I Found Online. Hope It Works When I Install It Later This Week!! : r/CarAV
Alpine X-W12D4 ported subwoofer box SPECIAL EDITION with black plexi port trim | eBay
Alpine Electronics of UK Ltd. - Alpine UK want to shine a light on Antony and his X-Series machine! This has been created by Oxford Car Audio with 4x X-W12D4. #AlpineUK #OCA #
1 pcs ID: 65.6mm 4F Double 4 + 4 ohm horn voice coil for a Alpine X-W12d4 car woofer bass speaker