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KEF Ci100QS In Wall / In Ceiling Speaker


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Found it cheaper? Click here. SKU: 6755
Ex VAT: 99.96

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Shape Square
Warranty length 5 Years
Brand KEF Speakers

Tech Specs

Nominal impedance: 4Ω
Sensitivity: (2.83V/1m): 88dB
Frequency response: (±6dB)
Open-backed: 80Hz - 27kHz
Crossover frequency: 3kHz
Drive units LF: 100mm (4")
Drive units HF: 19mm (0.75")
Recom amp power: 10 - 50W

Cut-out Size (HW): 112 x 112 mm
Mounting depth: (w/o can): 72mm
Dimensions (HWD): 127 x 127 x 76mm
Net Weight: 0.67kg (1.48lbs.) 

Product Description

KEF Ci100QS is a square ceiling speaker, featuring KEF's Uni-Q technology, designed to be easily installed, provide an impressive sound and integrate with a wide variety of electronics. KEF’s trademark Uni-Q technology has a decisive performance advantage in ceiling mounting applications, because each point source driver array evenly disperses the sound, ensuring a smooth frequency response over a large area to create a spacious three-dimensional soundscape with genuine texture and depth. As a result, the Ci100QS is as satisfyingly musical to hear as it is neat in appearance.

Features and Benefits

Providing a compact solution to the problem of Hi-Fi quality sound from an in-wall/ceiling speaker, the Ci100QS consists of an 100mm polypropylene cone LF driver with the 19mm HF unit mounted at the acoustic centre of the LF unit. The bezel and grill can be painted to match the interior décor.

The Uni-Q drive unit is well renowned for its excellent dispersion characteristics, making the Ci100QS perfect for installation in non uniform environments, without compromising the reproduction across the listening area. The 15cm deep detachable back-can supplied with the product, provides a sealed enclosure of 0.7 litres volume for optimum low frequency reproduction. Sprung fixing clips give flexibility of installation in ceilings and walls varying in thickness from 6mm to 30mm.


The Ci Series Ci100QS is best suited for high quality music and speech reinforcement applications requiring hi-fi performance such as:

- Multi Room systems.
- Home Theatre systems.
- Lounges, Bars, Boutiques.
- Boardrooms & Offices.
- Airports, Convention Centres, Hotels.
- Live Theatre/Concert Hall fill-in.
- Houses of Worship.
- Sports Arenas.

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