This hallmark Bose® professional loudspeaker has been re-engineered for better performance, versatility and durability. Eight proprietary 4.5-inch (11.4 cm) full-range drivers and active EQ help deliver vocals and instruments with smoothness and warmth-at high or low SPL.

A proprietary Articulated Array® speaker configuration reproduces clear, natural sound and reduces acoustical dead spots with even coverage over a wide listening area. Their efficient size reduces