20 Best Skar Sdr 18 Box Specs in 2025 Reviews and Buying Guide April 20, 2022 by Kane Dane 2,134 (rnd) Reviews Scanned No products found.No products found.. Related:Sdr Sr12Dual 8 Inch Subwoofer Box DimensionsMedium Individual BraidsSkar TweetersPurple Ombre Box BraidsMiracle Box For Sale