KEF’s all-new range of rectangular, in-wall speakers are designed and engineered for serious music and home theater systems. The kef 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.