Alpine SBE-1244BR bass reflex subwoofer 12" (300 mm).

Alpine SBE-1244BR subwoofer in vented box (bass reflex) 12" (300 mm).

With 650W peak power handling, this ready-to-use bass reflex subwoofer box is just the thing for big bass fans. 
It has a pre-installed SWE-1244E 12" (300 mm). subwoofer and is all wired with high quality terminals in the back. 
It comes with a removable port plug for either sealed or vented operation. 
A protective grille ensures that nothing sliding around in the trunk damages the woofer.