4.75cf - 1 x 15” Sub Up Port Back 3.5cf you get the upgraded triple

you get the upgraded triple progressive spiders

It is a linkable amp and designed to run a 1 ohm per amp or 2 ohms when strapped

85 cubic feet MIN Port Area 8 sq inches MAX Port Area 12 sq inches

Weight: 16

Fs         =     35

4.75cf - 1 x 15” Sub Up Port Back 3.5cf you get the upgraded tripleMeasures 38W X 18H X 20D 68 of port area Dual stacked curve slot ported enclosure 1 Russian Baltic Birch Tunes to 31hrz and has an estimated bandwidth of 26 68hrz. Cutout: 14. 25" Mounting Depth: 14. 25" Estimated Enclosure Weight: 75 lbs ** Boxes may come with small imperfections due to the manufacturing process.** DOES NOT INCLUDE SUBWOOFERS BOXES THAT ARE NOT IN STOCK WILL BE MADE TO ORDER