Easy to install and stunning to behold (both visually and acoustically), KEF’s all-new range of rectangular, in-wall speakers are designed and engineered for serious music and home theater systems. The Ci4100QL – THX Select2 Certified in-wall speaker features a 4in. Uni-Q array with three same-sized MF drivers, and can be configured as front or rear channel speakers or positioned horizontally for use as a center channel. Housed in a rigid aluminum frame with a total mounting depth of 3in., the Ci4100QL can be mounted in any standard wall cavity. This product is part of our Custom Installation Architectural line, which is exclusively available from our network of Authorized KEF Custom Installers.