Not only are 4K UHD projectors coming down in price but they are also getting some new features. Our Optoma UHD51A review takes a look at a 4K UHD HDR home theatre projector with both Alexa and Google Home support. The Optoma UHD51A 4K UHD projector has the following features and specifications: World’s 1st Alexa Voice assistant supported projectorBright 2,400 lumens & 500,000:1 high contrastBrand new designed lens for 4K UHD resolution with 1.3x zoom and perfect throw for
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