Definitive Technology BP9060 High Performance Tower Speaker High-performance bipolar tower speaker: 28 Hz - 22 kHz Powerful, forward-focused bipolar speaker Array for wide and immersive sound dispersion Integrated 10 powered subwoofer and dual bass radiators Dolby Atmos and DTS:x compatible with A90 speaker accessory (sold separately) Iconic and visually powerful design features machined, aircraft-grade aluminum construction