For the ultimate in Extreme Home Theater, 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-ceiling 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 Ci200RR-THX is an in-ceiling LCR capable of delivering a magical musical theater experience even in the largest of rooms. Ci200RR-THX is an in-ceiling speaker certified to THX ULTRA2 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 delivered with extreme impact, and dialogue-driven moments are natural and engaging. THX certified in-ceiling 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 Authorized KEF Custom Installers.