DR18D2 - Incriminator Audio 18" Dual 2-Ohm 1000W RMS Death Row Series Subwoofer DR18D2 - Incriminator Audio 18" Dual 2-Ohm 1000W RMS Death Row Series Subwoofer Outer Diameter: 18 1/2" Mounting Diameter: 16 7/8" Mounting Depth: 10" Displacement: .18 cu. ft.Rated