Cambridge SoundWorks Newton Series S300 MultiPole(r) Surround Speaker (Pair), Slate (Discontinued by Manufacturer) Speaker Dimensions: 7"H x 11"W x 5.75"D 4-inch molded-composite bass drivers Two 2.5-inch mid-high frequency drivers 1-inch reinforced silk dome tweeters with Neodymium magnets 10-year Manufacturer's Parts & Labor Warranty