Details: Purpose built for flushing mounting into walls and ceilings, the Ci100QR is the latest addition to the KEF UNI-Q Custom Installation series. Providing a compact solution to the problem of Hi-Fi quality sound from an in-wall/ceiling speaker, the Ci100QR consists of a 100mm white polypropylene cone LF driver with 19mm HF unit mounted at the acoustic centre of the LF unit. Specifications Model Ci 100QR Design Open backed or 0.71 litres back-can Drive Units 19mm aluminium dome 100mm white polypropylene conewith double neo compound magnet system Crossover frequency 3 kHz Protection circuit HF Unit Sensitivity (2.83V/1m) 86 dB frequency response 120Hz-22kHz Impedance 4 Ohms Power handling 50 watts RMS Weight 0.8 kg with, 0.7kg without Overall cutout diameter overall can depth Diameter127mm 118mm146mm PRICED PER SPEAKER!