KEF is a 50 yr old British high end speaker manufacturer creating loudspeakers of all shapes and sizes for use in the home. The KEF Ci200CL in-wall/in-ceiling loudspeaker features KEF"s patented "sit-anywhere" The asymmetrical tweeter island driver design delivers a cleaner, purer sound to the maximum number of listeners and the tweeter island reduces diffraction and enhances off-axis, high frequency response. KEF Ci models are incredibly easy to install - once the wire is run and the hole is cut into the wall or ceiling, you can be listening to music in less than two minutes.