XLamp® CXB1304 LED Arrays Cree LED XLamp® CXB1304 LED Arrays deliver high lumen output and high efficacy in a single, easy-to-use, compact package. The arrays offer up to 30% higher efficacy and up to 20% higher lumens than the first generation series in the same small LES. The series is a drop-in performance upgrade to existing CXA LED designs, shortening the luminaire design cycle and improving time to market. The Cree LED XLamp CXB1304 LED Arrays are available in 2-step, 3-step, and 5-step EasyWhite® bins and 2-step and 3-step Premium Color bins.