Overview The ViewSonic PX748-4K is a home theater DLP projector designed to deliver cinematic 4K UHD images with 4000 ANSI lumens of brightness, making it suitable for viewing in well-lit rooms. It supports HDR10 and HLG formats to maintain rich colors and detailed shadows whether you are streaming movies or watching live sports. The projector can produce a 100-inch image from just 8.2 feet away, fitting comfortably in bedrooms, dorms, or apartments, and can scale up to 300 inches for larger spaces. Key features 4K UHD resolution with HDR10 and HLG support ensures vibrant and detailed visuals for movies and games. High brightness of 4000 ANSI lumens keeps images clear and visible even in rooms with ambient light. Low input lag of 4.2 milliseconds and 240 Hz refresh rate at 1080p provide smooth and responsive gameplay. 1.3x optical zoom combined with automatic vertical keystone correction and four corner warping simplifies installation and image alignment. USB-C port allows direct video input from phones, tablets, or laptops while simultaneously powering connected streaming devices to reduce cable clutter. Built-in 10-watt speaker delivers everyday audio needs, with a 3.5 mm audio output for connecting to external sound systems. Long lamp life of up to 20,000 hours in Eco mode reduces maintenance and replacement costs over time. LAN control and 12-volt trigger support integration with home automation systems and motorized screens for a seamless smart home experience. Key specs Resolution: 4K UHD (3840 x 2160) with XPR technology Brightness: 4000 ANSI lumens Input lag: 4.2 milliseconds at 1080p Refresh rate: 240 Hz at 1080p Zoom: 1.3x optical zoom Screen size: 100 inches at 8.2 feet, up to 300 inches maximum Audio: Built-in 10 W speaker, 3.5 mm audio out Lamp life: Up to 20,000 hours in Eco mode Connectivity: USB-C video input with power delivery, LAN control, 12 V trigger Connectivity and compatibility This projector offers versatile connectivity options to fit modern home entertainment setups. The USB-C port supports direct video input from compatible mobile devices and laptops, while also powering streaming sticks or media players to minimize cables. LAN control and a 12-volt trigger enable integration with smart home systems and motorized screens, making it easy to automate your viewing experience. Performance and reliability With a bright 4000-lumen output, the projector performs well in environments with ambient light, such as living rooms or sports bars. The low input lag and high refresh rate enhance gaming performance, ensuring fast action looks smooth and controls respond instantly. The lamp’s long life in Eco mode means you can enjoy years of use without frequent replacements, adding to the overall reliability of the unit. Ideal uses and environments The PX748-4K fits well in home theaters, bedrooms, dorm rooms, and apartments where space is limited but a large screen experience is desired. Its brightness and color accuracy make it suitable for watching movies, sports, and gaming even during the day or in rooms with some light. Gamers will benefit from the fast response times, while home automation enthusiasts can integrate it seamlessly into their smart setups.
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