The Definitive Technology BP-8020ST speaker, employing Bipolar technology, produces loud room-filling audio. The integrated 150-watt powered subwoofer of this floor-standing loudspeaker offers thunderous bass. The sleek design of this home theater speaker ensures that it occupies no more than .86 sq. ft. of floor space. Featuring a D’Appolito front array, this floor-standing loudspeaker delivers high definition mids and highs. With its 92dB sensitivity, this home theater speaker plays clear audio even with poorer signals. Having a nominal impedance of 8 ohms, the Definitive Technology BP-8020ST speaker ensures great output. With a frequency response of 30Hz - 30kHz, the Definitive Technology BP-8020ST speaker reproduces a wide range of frequencies.