R/T - BLACK Dual 15" Slot Vented Sub Bass Hatchback Speaker Box with Labyrinth Power Port (MDF) Made in the USA with premium 3/4" MDF 3.2 Cu. ft Air Space Per Chamber/Tuning - 32 Hz Easy hook-up terminal cups Automotive black carpeting 42.0" W x 17.5" H x 19.5" D