Alpine X-W12D4 X-Series 12″ Dual 4 Ohm DVC Subwoofer Rear Seat Entertainment the high-excursion 8-inch subwoofer gives

the high-excursion 8-inch subwoofer gives a strong 120W RMS of bass output

except for the most esoteric features such as the die-cast aluminium faceplate

from 105mm to 195mm for universal fit

Neodymium magnet (mid-range speaker and tweeter)

front-facing speaker

Alpine X-W12D4 X-Series 12″ Dual 4 Ohm DVC Subwoofer Rear Seat Entertainment the high-excursion 8-inch subwoofer givesAlpine X W12D4 X Series 12 Dual 4 Ohm DVC Subwoofer Alpines all new X Series subwoofers bolster the X Series Hi RES amplifier and speaker lineto create the ultimate unified audiophile sound system. The X Series subwoofers draw upon decades of Alpine engineering, expertise and precision manufacturing that culminates; to deliver a new of level build quality, design and finesse to produce a subwoofer with the highest calibre of bass fidelity and extreme