Most accurate, immersive sound Metamaterial Absorption Technology removes 99% of high-frequency distortion, while the 12th generation Uni-Q driver delivers exceptional clarity and natural sound. Metamaterial Absorption Technology MAT technology uses a maze-like structure to absorb unwanted rear sound from the driver, reducing distortion for purer output. Built from LS50 lineage Driver Performance Optimisation, a low-diffraction curved baffle, and a patented flexible off-set port deliver lower coloration, deeper detail, and wider room-filling sound. Attention to every detail Optimised cabinet design, four finish options, and mounting inserts for the KEF S2 Floor Stand complete a premium, performance-focused build. Braced for action Injection-moulded DMC baffle construction, internal cross-bracing, and Constrained Layer Damping reduce vibration to keep sound clean and controlled. Listen and believe Great loudspeakers disappear into the room, leaving pristine vocals, layered instruments, and a lifelike presentation that feels close to live performance.