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The Ci4100QLb in-wall subwoofer features four compact 100mm (4in.) LF drivers. Housed in a rigid aluminium frame with a total mounting depth of 76mm (3in.), the Ci4100QLb can be mounted in any standard wall cavity.
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 theatre systems.