The KEF Ci100.2QR is a 3″ (75mm) round in-ceiling speaker from the KEF Soundlight Series, sized to sit alongside flush-mounted downlights. It uses a Uni-Q driver with a 16mm aluminium dome tweeter, is IP64 certified with weather-resistant construction, and comes with a removable rear can, making it suitable for kitchens, bathrooms and other areas where small, discreet speakers are needed.
75mm (3″) Uni-Q driver
16mm (0.6″) aluminium dome tweeter with Tangerine waveguide
UTB Ultra Thin Bezel
Removable rear can
Magnetic grille
Paintable grille and bezel
Weather-resistant construction, IP64 certified
| Model | Ci100.2QR |
| Type | 2-way round in-ceiling speaker |
| Nominal impedance | 4Ω |
| Sensitivity (2.83V/1m) | 83dB |
| Frequency response (±6dB) | 90Hz – 27kHz; 130Hz – 27kHz with back can |
| Crossover frequency | 3.5kHz |
| Drive units | LF: 75mm (3″) Uni-Q; HF: 16mm (0.6″) |
| Recommended amplifier power | 10 – 50W |
| Net weight | 0.50kg; 0.65kg with back can |
| External dimensions | Ø 136mm; depth 57mm (110mm with back can) |
| Cut-out diameter | 118mm |
| Ceiling thickness | 6mm min / 22mm max |
| Mounting depth from surface | 52mm; 103mm with back can |
| Certification | IP64 |





