Acer H7530D DLP Home Theater Projector (1080P) Acer ColorBoost II Technology: Delivers richer details, smoother gradation and brighter natural colors for more life-like images. Lets you project accurate images on colored walls. DynamicBlack Technology: Dramatically improves image contrast by using dynamic aperture adjustment to analyze content frame by frame. Dark scenes are adjusted to optimal black levels while maintaining the original brightness of bright scenes. Acer Empowering Technology: A suite of tools that lets you conveniently customize your power, viewing and timer settings via the Empowering Key on the remote control. Acer SmartFormat Technology: Supports comprehensive wide-format PC signals. You wont have annoying "Signal not supported" issues and wont have to change the resolution of your wide-format notebook. One 2W integrated speaker