THX will debut its premium large format brand called THX Ultimate Cinema this spring or summer, it announced. It features a dual-laser 4K Barco projectors and a THX-certified 7.1 immersive sound system and will take on the likes of IMAX and Dolby in the premium large format (PLF) category. It will debut at the at the 1,400 seat Regency Westwood Village Theatre in LA, which has hosted numerous red-carpet premieres.