The Ci250RRM-THX is a revolutionary three-way coaxial architectural speaker designed for large home theaters and living rooms, featuring a 250mm (10 in.) low-frequency driver and 100mm (4 in.) Uni-Q driver array with Metamaterial Absorption Technology (MAT). It incorporates 12th Generation Uni-Q drivers, patent-pending Cavity Radiation Control (CRC) to eliminate midrange frequency dips, and a Low Diffraction LF Aperture with acoustically absorptive foam to reduce resonance. The Uni-Q array acts as a single point source for even sound dispersion. The speaker delivers deep bass down to 28Hz with a maximum SPL of 111dB. Structurally robust with an Ultra-Thin Bezel and magnetic grille, it offers a slim, paintable design that seamlessly integrates into any environment. It is IP64 certified for splash water and dust resistance and engineered for easy installation with minimal fuss. Experience immersive, high-fidelity sound with this ultimate theater speaker performance solution. Specific warranty terms and details for KEF products can be found here.