Here is another projector that lets you view movies and videos in 4K. The LG HU80KA 4K Projector has up to 2500-lumen resolution and 3840 x 2160-p resolution. The projector is compatible with LG smart TVs. It comes with Bluetooth sound out.
The HU80KA lets you enjoy a 150″ image, making it great for sports and movies.