SPECIFICATIONS: -CUTOUT DIAMETER: 11 1/8" -AIR VOLUME: 2.54 FT^3 -2 INDIVIDUAL CHAMBERS -VOLUME PER SUBWOOFER: 1.27 FT^3 -WEIGHT: 48 LBS. -MOUNTING DEPTH: 7" DIMENSIONS: -HEIGHT: 16 3/4" -LENGTH: 41" -TOP DEPTH: 15 1/2” -BOTTOM DEPTH: 10 1/4”CONSTRUCTION: -3/4" MDF WOOD -GLUE -STAPLES + MAINLY SEALED WITH HIGH QUALITY SILICONE + INSTALLATION: -FITS IN CENTER STORAGE AREA -UPWARD FIRING -NO MODIFICATIONS REQUIRED NOT ALL SUBS WILL FIT DUE TO THE CUTOUT DIAMETER OR MOUNTING DEPTH SO PLEASE CHECK THE DIMENSIONS TO MAKE SURE THIS BOX SUITS YOUR SUBS