Alpine R2-SB12V Halo Series 12" linkable ported subwoofer enclosure dblink even after they're set in

even after they're set in place

Apple CarPlay compatible (wired or wireless)

edge-driven silk dome tweeter and supertweeter

Alpine's innovative Sound Boost menu features expanded Bass Boost and Mid-Bass Boost controls

space enhancer

Alpine R2-SB12V Halo Series 12" linkable ported subwoofer enclosure dblink even after they're set inTwice the bass Alpine's Halo Series subwoofer enclosures make it simple to add bass (and more bass) to your system. You'll get great bass response from a single box, and when you're ready to expand your system you can add a second enclosure and the optional linking kit to create a two speaker system with double the impact. Laying it down The R2 SB12V comes loaded with Alpine's updated R2 W12D4 subwoofer wired for 2 ohm impedance, for solid bass