Definitive Technology StudioMonitor 350 Speakers (Pair, Black) (Discontinued by Manufacturer) Pair of high-performance, magnetically shielded full-range bookshelf speakers Equipped with one 5.25-inch cast-basket polymer coned bass/midrange driver and 1-inch pure aluminum dome tweeter Frequency response: 26Hz - 30kHz Equipped with 8-inch pressure-driven subwoofer High quality finish in gloss black