BLACK 12" DUAL SLOT PORTED BANDPASS SUB BOX SPECIFICATIONS: -CUTOUT DIAMETER: 11 1/8" -TOTAL AIR VOLUME: 3.80 CUBIC FT. - SEALED CHAMBER AIR VOLUME: 1.69 CU.FT. -TUNING FREQUENCY: 34-Hz -2 SLOT PORT (DIMENSIONS: H-13 1/2” W-3” L-5”) -WEIGHT: 47 LBS. -MOUNTING DEPTH: 7 1/2" (W-7 1/2” D-MAGNET) DIMENSIONS: -HEIGHT: 15” -LENGTH: 33 1/4" -DEPTH: 18" CONSTRUCTION: -11/16” MDF WOOD -GLUE -STAPLES + MAINLY SEALED WITH HIGH QUALITY SILICONE + 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