Featuring KEF’s sophisticated ’sit anywhere’ Uni-Q driver array, which places the tweeter in the acoustic centre of the bass/midrange cone, this allows both the tweeter and woofer to act as a single point source that disperses the sound widely and evenly throughout the room. 
KEF Ci Q Series THX In-Wall Select2 Speaker
Featuring KEF’s sophisticated ’sit anywhere’ Uni-Q driver array, which places the tweeter in the acoustic centre of the bass/midrange cone, this allows both the tweeter and woofer to act as a single point source that disperses the sound widely and evenly throughout the room. Together with the discreet Ultra Thin Bezel (UTB) design, offering the slimmest possible visible rim around the speaker, the Ci Q Series range gives you tremendous freedom to position the speakers where you please.
The Ci4100QL - THX Select2 Certified in-wall speaker features a 4" Uni-Q array with three same-sized MF drivers, and can be configured as front or rear channel speakers or positioned horizontally for use as a center channel.
KEF’s Patented Uni-Q Driver 
Featuring KEF’s sophisticated ’sit anywhere’ Uni-Q driver array, which places the tweeter in the acoustic centre of the bass/midrange cone, this allows both the tweeter and woofer to act as a single point source that disperses the sound widely and evenly throughout the room. 
THX Ultra2 & Select2 Certified
Ci4100QL-THX is an in-wall speaker certified to THX SELECT2 standard. A deep understanding of the filmmaking process and surround sound is at the very heart of every THX certified 2.1, 5.1 and 7.1 speaker system. Engineered with design characteristics of professional studio speakers, THX recreates the tonal balance of the filmmaker's final mix in your living room. The results? Action sequences are impactful, and dialogue-driven moments are natural and engaging. 
Design & Performance 
THX certified in-wall speakers deliver the appropriate frequency response and high output and imaging quality of a traditional box speaker. This provides the best of both worlds - THX surround sound performance from components that blend harmoniously with any room decor.
Easy Installation
KEF Engineers have meticulously designed the Ci4100RL-THX to be quick and easy to install without sacrificing baffle rigidity. KEF’s patented built-in wall bracket design allows for a damage-free installation every time.
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