Kef CI160CRDS 6.5″ Dual Stereo In-Ceiling Speaker



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For music or movies, your installation needs to deliver the flawlessly accurate three-dimensional sound you’d expect from the best conventional speakers – startlingly clear and breathtakingly realistic. And that’s exactly what our Ci range does.

KEF’s passion for acoustic excellence shines through in every model. By combining radically innovative engineering with sophisticated design technologies, the Ci range achieves what used to be thought impossible: compact custom installation speakers that sound as compelling as an audiophile quality hi-fi system, no matter where you sit.

With impeccable cosmetics, there’s a KEF Ci model for every application, from tiny ceiling speakers the size of downlights to motorised super-premium home theatre speakers that glide into place at the touch of a button. All are ruggedised for harsh environments such as bathrooms or boats.

All KEF speakers are sonically-matched, so any combination you specify for different listening areas will have the same tonal colour for a perfectly consistent soundstage. Fast, easy installation has always been valued by Ci Series installers. With only a few simple steps and KEF’s unique design features, Ci speakers can be fitted quickly, with no special skills. Once the hole is cut and the cable run, the area is soon flooded with great high definition sound.


Dual Stereo The KEF Ci Series Dual Stereo models are high-fidelity flush-mount speakers that recreates stereo, and are ideal for locations where there is only room for one speaker.  Thanks to KEF’s simple and ingenious screw down clamping system – with moisture-resistant fixings – you can place these speakers in environments such as bathrooms or under eaves.


Model Ci160CSds

Nominal Impedance

Sensitivity (2.83V/ 1m) 91dB

Frequency response (±6dB) open-backed 50Hz – 20kHz

Crossover frequency 3.2kHz

Drive units LF HF 160mm (6.5in.) 19mm (0.75in.)

Recommended Amplifier Power 10 – 80W

Product external dimensions (H x W x D) 223 x 223 x 90.5 mm (8.78 x 8.78 x 3.56 in.)

Cut-out dimensions (H x W) (Without back can) 194 x 194 mm (7.64 x 7.64 in.)

Net Weight 1.80kg (4.0lbs.)

Mounting depth from surface (Without back can) 84.5mm (3.33in.)

Optional rough in frame RIF160S

Optional rear enclosure RNC160S

KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE.
1.8000 kg




Frequency Response

50Hz – 20kHz

Height (mm)



8 Ohms



power handling

80 Watts


91 dB


In-Wall or In-Ceiling Speaker

Width (mm)


custom speaker type

In-Ceiling Speakers

bass driver

6” Mid/Bass Driver


50mm to 100mm

speaker design

Angled Ceiling Speakers, Single Stereo Speakers, Powered Speakers

multi room audio visual

Custom Speakers

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Excellence in sound. KEF exists to fill rooms with music, to move souls with truly authentic soundscapes.