The ViewSonic PX728-4K is a high-performance home theatre projector designed to deliver stunning 4K Ultra HD visuals with incredible clarity and vibrant colour. With HDR/HLG support and 2,000 ANSI lumens of brightness, it ensures sharp, lifelike images for movies, sports, and gaming. Equipped with ViewSonic’s SuperColor™ technology and advanced image processing, the PX728-4K provides rich colour accuracy and cinematic detail. Its low input lag makes it ideal for gaming, while flexible installation options such as vertical lens shift and a 1.3x optical zoom make it easy to set up in any room. At Theatre Zone, we recommend the ViewSonic PX728-4K for homeowners who want an affordable yet premium 4K projector that combines cinema-quality visuals with versatile installation. Key Features True 4K Ultra HD resolution with HDR/HLG support 2,000 ANSI lumens of brightness for clear images in any room SuperColor™ technology for rich and accurate colours Low input lag for smooth and responsive gaming Flexible installation with vertical lens shift and 1.3x optical zoom Why Choose ViewSonic PX728-4K Immersive visuals — enjoy stunning 4K clarity and vibrant HDR content Gaming ready — ultra-low input lag for responsive gameplay Cinematic colours — SuperColor™ delivers natural, accurate image quality Flexible setup — adjust lens shift and zoom for easy installation Specifications Projection system: 0.47" 4K-UHD Native resolution: 3840 × 2160 Brightness: 2000 ANSI Lumens Contrast ratio (with SuperEco mode): 12000:1 Display colour: 1.07 Billion Colours Light source type: Lamp Light source life (normal mode): 4000 hours Light source life (SuperEco mode): 20000 hours Lamp watt: 240 W Lens : F=1.94–2.12, f=12–15.6 mm Projection offset: 120% ±6% Throw ratio: 1.13 – 1.47 Optical zoom: 1.3× Digital zoom: 0.8× – 2.0× Image size: 30" – 300" Throw distance: 0.75 m – 9.76 m (100" @ 2.50 m) Keystone : H ±40° / V ±40° Lens shift (vertical range): Up to 20% (Digital) Lens shift (horizontal range): Up to 20% (Digital) Audible noise (normal): 33 dB Audible noise (eco): 28 dB Input lag: 4.2 ms Resolution support: VGA (640 × 480) to 4K (3840 × 2160) HDTV compatibility : 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p Horizontal frequency: 15K – 135K Hz Vertical scan rate: 23 – 240 Hz Details of ViewSonic PX728-4K Home Theatre Projector Spec Sheet RS-232/LAN Control Protocol Specification RS-232/LAN Control Protocol Specification V1.5 Product Manual PX728-4K Service Manual Cinematic 4K, Flexible Design The ViewSonic PX728-4K delivers breathtaking visuals and versatile setup features, making it the perfect projector for movies, gaming, and home theatre entertainment. Shop today at Theatre Zone for stunning 4K experiences.
