Alpine SBG-1244BP 12" Car Subwoofer and Band Pass Box Enclosure Bass R-Spec they are capable of greater

they are capable of greater excursion than the W3v3's

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3 spoke centre with holes

Alpine SBG-1244BP 12" Car Subwoofer and Band Pass Box Enclosure Bass R-Spec they are capable of greaterALPINE SBG 1244BP 12 " Subwoofer in Box With 800W peak power handling, this ready to use band pass subwoofer box is just the thing for big bass fans. It has a pre installed SWG 1244 subwoofer and is all wired with high quality terminals on the side. Acrylic windows on the top and side provide an inside view and the blue illumination adds a cool effect. Its fully enclosed structure ensures that nothing sliding around in the trunk damages the woofer.