The Ci3160REFM-THX is a top-notch in-wall architectural speaker that is manufactured in Maidstone, United Kingdom, by KEF's engineers. It achieves one of the best THX® performance categories, THX® Certified Ultra, in addition to satisfying the requirements established by The Reference. The Ci3160REFM-THX produces an immersive, high-fidelity soundstage with unparalleled sonic perfection, even in big home theaters and living rooms, thanks to its 12th generation Uni-Q driver array and Metamaterial Absorption Technology (MAT™).