Skar Audio ZVX 15" Subwoofer EnclosureOutside Dimensions- 15.75H x 32W x 24DTuning- 32HzNet Volume- 4.11 cuftConstruction- 3/4 Poplar PlywoodBaffle Thickness- 2.25"Terminal Type- SMD 1 Channel Heavy Duty Speaker Terminal (Grade 8) (3/4" PVC Black) (Round)Outside Finish- Bare Wood or BedlinerInside Finish- Bare WoodFREE SHIPPING! The Skar Audio ZVX-15v2 was designed to be the ultimate SPL grade 15-inch woofer. The SVR-15 was engineered and built with performance in mind. The Skar Audio ZVX-15v2 features a Made in the U.S.A. 3" high temperature CCAW voice coil, which will be able to handle the power you give it … The Skar Audio SVR-15 15-inch dual 4 ohm car subwoofer delivers hard hitting bass in a compact, powerful package. It starts with a unique 2.6" 4-layer high-temperature copper voice coil, allowing it to … It features a RMS power rating of 1,500 Watts and a max power rating of 3,000 Watts. LIFETIME WARRENTY!