Meet the KEF Blade: a premium speaker system that relies on Single Apparent Source technology to provide you with clear, crisp sound. It has an elegant design and makes your place look good. KEF Blade has four bass drivers in a way that their acoustic centers occupy the same point as the Uni-Q HF/MF array.
KEF Blade is designed for serious audiophiles. The above video provides more information on it. More information is available here.