Cambridge AERO 6 Floorstanding Loudspeaker with two 6.5-Inch Woofers and 2.25-Inch BMR Driver - Each (Black) Outfitted with a 2.25" BMR (Balanced Mode Radiator) driver and two high-power 6.5" conventional cone woofers Detect fantastically clear, natural, and coherent sonics BMR the driver construction nets more room-filling sound Delivers sumptuous and accurate bass without sacrificing any detail in the top end Dimensions (WHD): 9.4" x 38.6" x 13.3" Sold Individually, to order a pair add 2 to your cart