BLACK 8" DUAL SLOT-CENTER PORTED SUB BOX SPECIFICATIONS: -CUTOUT DIAMETER: 7 1/8" -TOTAL AIR VOLUME: 1.46 CUBIC FT. -TUNING FREQUENCY: 37-Hz -1 SLOT PORT FOR EACH SUB (DIMENSIONS: H-8” W-1 1/8” L-21”) -WEIGHT: 35 LBS. -MOUNTING DEPTH: 12" DIMENSIONS: -HEIGHT: 9 3/4” -LENGTH: 29" -DEPTH: 15 1/4" CONSTRUCTION: -5/8” MDF WOOD -GLUE -2" STAPLES + MAINLY SEALED WITH HIGH QUALITY SILICONE + BLACK 8" SOLO BARIC DUAL SLOT-CENTER PORTED SUB BOX SPECIFICATIONS: -CUTOUT DIAMETER: 7 3/8" -TOTAL AIR VOLUME: 1.46 CUBIC FT. -TUNING FREQUENCY: 37-Hz -1 SLOT PORT FOR EACH SUB (DIMENSIONS: H-8” W-1 1/8” L-21”) -WEIGHT: 35 LBS. -MOUNTING DEPTH: 12" DIMENSIONS: -HEIGHT: 9 3/4” -LENGTH: 29" -DEPTH: 15 1/4" CONSTRUCTION: -5/8” MDF WOOD -GLUE -2" STAPLES + MAINLY SEALED WITH HIGH QUALITY SILICONE + BLACK 10" DUAL SLOT-CENTER PORTED SUB BOX SPECIFICATIONS: -CUTOUT DIAMETER: 9 1/4" -TOTAL AIR VOLUME: 2.20 CUBIC FT. --TUNING FREQUENCY: 36-Hz -1 SLOT PORT FOR EACH SUB (DIMENSIONS: H-10 1/2” W-1 1/2” L-24”) -WEIGHT: 52 LBS. -MOUNTING DEPTH: 14" DIMENSIONS: -HEIGHT: 12 1/4” -LENGTH: 31 1/4" -DEPTH: 17 3/4" CONSTRUCTION: -11/16” MDF WOOD -GLUE -2" STAPLES + MAINLY SEALED WITH HIGH QUALITY SILICONE + BLACK 10" SOLO BARIC DUAL SLOT-CENTER PORTED SUB BOX SPECIFICATIONS: -CUTOUT DIAMETER: 9 3/8" -TOTAL AIR VOLUME: 2.20 CUBIC FT. --TUNING FREQUENCY: 36-Hz -1 SLOT PORT FOR EACH SUB (DIMENSIONS: H-10 1/2” W-1 1/2” L-24”) -WEIGHT: 52 LBS. -MOUNTING DEPTH: 14" DIMENSIONS: -HEIGHT: 12 1/4” -LENGTH: 31 1/4" -DEPTH: 17 3/4" CONSTRUCTION: -11/16” MDF WOOD -GLUE -2" STAPLES + MAINLY SEALED WITH HIGH QUALITY SILICONE + BLACK 12" DUAL SLOT-CENTER PORTED SUB BOX SPECIFICATIONS: -CUTOUT DIAMETER: 11 1/8" -TOTAL AIR VOLUME: 2.60 CUBIC FT. --TUNING FREQUENCY: 35-Hz -1 SLOT PORT FOR EACH SUB (DIMENSIONS: H-11 3/4” W-1 1/2” L-27”) -WEIGHT: 55 LBS. -MOUNTING DEPTH: 14" DIMENSIONS: -HEIGHT: 13 1/2” -LENGTH: 33 1/4" -DEPTH: 17 1/2" CONSTRUCTION: -11/16” MDF WOOD -GLUE -2" STAPLES + MAINLY SEALED WITH HIGH QUALITY SILICONE + BLACK 12" SOLO BARIC DUAL SLOT-CENTER PORTED SUB BOX SPECIFICATIONS: -CUTOUT DIAMETER: 11 1/8" -TOTAL AIR VOLUME: 2.60 CUBIC FT. --TUNING FREQUENCY: 35-Hz -1 SLOT PORT FOR EACH SUB (DIMENSIONS: H-11 3/4” W-1 1/2” L-27”) -WEIGHT: 55 LBS. -MOUNTING DEPTH: 14" DIMENSIONS: -HEIGHT: 13 1/2” -LENGTH: 33 1/4" -DEPTH: 17 1/2" CONSTRUCTION: -11/16” MDF WOOD -GLUE -2" 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