Definitive Technology SR9040 High-Performance Bipolar Surround Speaker - (Pair) You will get (2) High-performance Bipolar surround speakers: 50 Hz - 30 kHz Powerful L/R Bipolar speaker dispersion pattern for wider, more immersive surround sound Easy to use and built for unobtrusive placement in any room Iconic and visually powerful design features Totally inert, resonance-free cabinet structure