Sealed Beam: Sealed4 (4x6)Just when you think: You've done your research and come across every last option in the 4x6" Sealed Beam LED market, these should catch your attention. While it's true there's only so many ways you can package a set of low and high beam LED based optics into a small rectangular headlight; Morimoto's Sealed4 pulls it off in the most functional and attractive setup possible Proprietary: The Morimoto Sealed4 is all new, all original from the ground up.