black 8" single competition ported sub box SPECIFICATIONS: -CUTOUT: 7 1/8" -TOTAL AIR VOLUME: .98 CUBIC FT. --TUNING FREQUENCY: 30-Hz -1 SLOT PORT (DIMENSIONS: H-9” W-1” L-25”) -WEIGHT: 33 LBS. -MOUNTING DEPTH: 12 1/2" -FRONT BAFFLE THICKNESS 1" DIMENSIONS: -HEIGHT: 10 1/4” -LENGTH: 20 3/4" -DEPTH: 15 3/4" CONSTRUCTION: -3/4” MDF WOOD -GLUE -2" STAPLES +MAINLY SEALED WITH HIGH QUALITY SILICONE+ --------------------------------------------------------------------------------------------------- black 10" 30-hz single competition ported sub box SPECIFICATIONS: -CUTOUT DIAMETER: 9 1/4" -AIR VOLUME: 1.55 FT^3 -TUNING FREQUENCY: 30-Hz -1 SLOT PORT (DIMENSIONS: H-10 1/2” W-1 1/2” L-27”) -WEIGHT: 42 LBS. -MOUNTING DEPTH: 14" -FRONT BAFFLE THICKNESS 1 1/4" DIMENSIONS: -HEIGHT: 12 1/4” -LENGTH: 23 1/4" -DEPTH: 17 3/4" CONSTRUCTION: -3/4" MDF WOOD -GLUE -2" STAPLES +MAINLY SEALED WITH HIGH QUALITY SILICONE+ --------------------------------------------------------------------------------------------------- black 12" 30-hz single competition ported sub box SPECIFICATIONS: -CUTOUT DIAMETER: 11 1/8" -AIR VOLUME: 2.70 FT^3 -TUNING FREQUENCY: 30-Hz (TUNING VERIFIED WITH SMD IM-SG+) -1 SLOT PORT (DIMENSIONS: H-12.5” W-2.75” L-34”) -WEIGHT: 81 LBS. -MOUNTING DEPTH: 20 1/2" -FRONT BAFFLE THICKNESS 1 3/8" DIMENSIONS: -HEIGHT: 14 1/4” -LENGTH: 25 1/4" -DEPTH: 22" CONSTRUCTION: -3/4" MDF WOOD -GLUE -2" STAPLES +MAINLY SEALED WITH HIGH QUALITY SILICONE+ --------------------------------------------------------------------------------------------------- black 15" 30-hz single competition ported sub box SPECIFICATIONS: -CUTOUT DIAMETER: 13 7/8" -AIR VOLUME: 3.50 FT^3 -TUNING FREQUENCY: 30-Hz -1 SLOT PORT (DIMENSIONS: H-15.5” W-2.50” L-28”) -WEIGHT: 70 LBS. -MOUNTING DEPTH: 20 1/2" -FRONT BAFFLE THICKNESS 1 1/4" DIMENSIONS: -HEIGHT: 17” -LENGTH: 25" -DEPTH: 24" CONSTRUCTION: -3/4" 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