Best in Class. Optoma’s TX542 delivers best-in-class features and performance. Bright, high contrast images and the built-in 10-watt speaker system will capture your audience’s attention. Features such as wired networking allow both remote management and control of the TX542. Equipped with the latest color processing technologies from Texas Instruments and user-friendly features, the TX542 is a fully loaded all-in-one digital multimedia projector.