Alpine - Halo R2-Series 10" Dual Voice Coil 4-Ohm Loaded Subwoofer Enclosure - Black

Alpine's Halo Series subwoofer enclosures make it easy to add more bass to your system. The pre-loaded R-Series 10" dual voice coil subwoofer provides plenty of bass on its own, but when you want even more, the optional linking kit can connect two together for double the impact.