Audiovox BB1 Dual 8 inch Subwoofer Box with Two 2x5 inch Horn Tweeters (150 Watts) Great Sound for Little Money 2 Polylaminated 8" woofers for deep bass response // Two 2x5 horn tweeters Digital Ready Rugged 5/8" fiberboard construction Protective metal grilles Designed for hatchback area // Dimensions 18"W x 9"H x 7"D