The KEF Ci3.80QT Rectangular In-Ceiling Speaker is a premium architectural ceiling speaker designed for high-performance home theater and whole-home audio installations. Built with KEF’s advanced three-way Uni-Q driver array, this KEF in-ceiling speaker delivers balanced sound dispersion, clear dialogue, and detailed music reproduction while remaining discreetly integrated into the ceiling. The driver configuration includes dual 75mm low-frequency drivers, a 75mm midrange driver, and a 15mm tweeter, producing a well-balanced soundstage with precise highs and natural midrange clarity.

With a frequency response of 87Hz to 27kHz and 87dB sensitivity, the KEF Ci3.80QT architectural speaker provides consistent audio performance across a wide listening area. The three-way crossover design (300Hz and 3kHz) ensures smooth integration between drivers, delivering detailed and distortion-free sound suitable for both music and cinema applications.

Designed for seamless installation, the Ci3.80QT features a slim bezel and flush-mount design, allowing it to blend elegantly into modern interiors. The simple mounting system and optimized enclosure design make it ideal for custom home installations, media rooms, and dedicated home theaters.

Compatible with 10–100W amplifiers and 8-ohm systems, the KEF Ci3.80QT In-Ceiling Architectural Speaker is an excellent solution for discreet high-performance ceiling audio in luxury residential and professional AV environments.