Definitive Technology SR-8040BP Bipolar Surround Loudspeaker is built to the same high performance standards as Definitive's main left and right front speakers and includes features like high-definition second generation patented BDSS bass/midrange drivers with butyl rubber surrounds, wide-dispersion pure aluminum dome tweeters, complex crossover networks and rock-solid cabinet construction.
The XTR-20BPs are yet another astonishing breakthrough for Definitive Technology. The XTR-20BP matches the distinctive XTR series look—a gorgeous hand-polished, aircraft grade Aluminum enclosure. Because they use the same active drivers and tweeter as the rest of the XTR series they're perfect for use as surround speakers in a system made up of larger XTR main speakers.
Definitive Technology SR-8080BP Bipolar Surround Loudspeaker is built to the same high construction and performance standards as Definitive's left and right front speakers and includes features like high-definition second generation BDSS bass/midrange drivers, wide-dispersion pure aluminum dome tweeters, complex Linkwitz-Riley crossover networks and solid cabinets.