Definitive Technology Mythos STS 120v Supertower Speaker (Single, Black) Single floorstanding supertower loudspeaker Equipped with two 4.5-inch high definition midrange drivers and one 1-inch pure aluminum dome tweeter Frequency response: 16Hz - 30kHz Equipped with one 5x10-inch long-throw racetrack subwoofer coupled to two 5x10-inch long-throw racetrack radiators Built-in 300-watt digitally-coupled class D subwoofer power amplifier