(2) Alpine S-SB12V Loaded 12" 600w S-W12D4 Subwoofers + Ported Sub Enclosure Box

2 Alpine S-SB12V 12" Halo Series Linkable Ported Vented Loaded Subwoofer Enclosure  Alpine S-SB12V Pre-Loaded S-Series 12-inch Subwoofer Enclosure UNIQUE PROLINK™ DESIGNWhen you want to make a noticeable impact in your sound system, add a subwoofer to bring out the low ends of your music. But what if you already have a single subwoofer and still crave more bass? You could throw out your single enclosure and purchase a new dual enclosure or build your bass with Alpine's new ProLink™ technology. ProLink™ is unique to Alpine and allows you to link two S-SB12V enclosures together using an optional KTX-H12 Linking Kit (sold separately) to create a dual subwoofer enclosure. Now you have the flexibility in power and price to use a single subwoofer or add another subwoofer when more bass is desired. STAND OUT IN THE CROWD The Alpine Halo platform has a reputation for accessible, premium technology that modernizes the look and feel of any vehicle. Drawing inspiration from the sleek, tapered l