KEF and THX have been long-time partners in bringing consumers great audio for their home theaters and listening rooms. For years, KEF’s premium in-wall, in-ceiling, and subwoofer products have been hallmarks of the THX Loudspeaker Certification program, and we continue to innovate and grow together through a mutual commitment to excellent sound. Whether at a THX Certified demo room, or in your own home theater, you can count on KEF and THX to deliver an uncompromised, authentic audio experience.