Definitive Technology BP9040 tower speaker produces high resolution audio with a lifelike 3D soundstage for your home entertainment system. Definitive's optional A90 elevation speaker module lets you integrate Dolby Atmos surround sound seamlessly in your home theater unit for an exceptional music & movie experience. Features a Bipolar Speaker array ~ a front-firing tweeter & 2 BDSS midrange drivers plus a rear-facing tweeter and BDSS midrange~ that delivers clear, smooth highs and mids with deeper bass response from the integrated subwoofer coupled to dual bass radiators. This innovative yet minimalist design of the speaker allows greater speaker placement flexibility in any room, without compromising on an immersive soundstage. The sleek BP9040 is supported by a sturdy, cast aluminum base and comes with carpet spikes and floor glides for greater stability. Create or customize a home audio setup of your choice with this tower loudspeaker that is designed to match all center channels and surround speakers in Definitive Technology~s BP 9000 series.