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KEF CI200RS-THX In-Wall Speaker



The KEF Ci200RS-THX is an in-wall speaker that is certified to the THX ULTRA2 standard. A commitment to the filmmaking process and surround sound is at the very heart of every THX certified 2.1, 5.1 and 7.1 speaker system.

For the ultimate in Extreme Home Theatre, KEF's R Series level of high performance architectural speakers delivers the jaw-dropping acoustic capabilities of the famed KEF R Series. KEF's THX certified in-wall speakers boast excellent frequency response and high output with the imaging quality of a traditional box speaker, providing THX surround sound performance that architecturally blend harmoniously with any room decor. With a 38mm(1.5inch) tweeter voice coil coupled to a vented aluminium dome with tangerine waveguide, and a woofer with absolutely massive magnet and Z-flex surround, the KEF Ci200RS-THX is an in-wall LCR capable of delivering a magical musical theatre experience even in the largest of rooms. 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 delivered with extreme impact, and dialogue-driven moments are natural and engaging. 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. This product is part of our Custom Installation Architectural line, which is exclusively available from our network of Authorised KEF Custom Installers. 


Model Ci200RS-THX
Nominal Impedance
Sensitivity (2.83V/ 1m) 90dB
Frequency response (±6dB)
33Hz - 28kHz
Crossover frequency 2.2kHz
Drive units

200mm (8 in.)
38mm (1.5 in.) Uni-Q
Recommended Amplifier Power 10-190W
Product external dimensions
(H x W x D)
273 x 273 x 132.6 mm (10.75 x 10.75 x 5.22 in.)
Cut-out dimensions 240 x 240 mm (9.45 x 9.45 in.)
Net Weight 3.6 kg (7.94 lbs)
Mounting depth from surface 127 mm (5.0 in.)
Optional rough in frame RIF200S

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