The PX728-4K is a 2,000 ANSI Lumens 4K home cinema projector that offers excellent value for upgrading to 4K home entertainment. Enjoy bigger, better visuals in true 4K clarity with HDR/HLG support and richer colors through Cinema SuperColor Technology that covers 100% Rec.709. Gaming also gets an upgrade with 4.2ms Ultra-Fast Input, a 240Hz refresh rate, and USB Type-C connectivity for direct streaming from Nintendo® Switch. Powerful warping, auto V keystone, H/V keystone, and 1.3x optical zoom make setting up a big screen of up to 300 on any surface easier than ever. Adding on to that is the LAN control capability compatible with home automation systems and 12V trigger output, making the PX728-4K a perfect addition to your smart home.True 4K Clarity with HDR/HLG SupportIn addition to the stunningly detailed images that true 4K resolution can offer, the projector also supports HDR and HLG content to produce more dynamic images and bring flat images to life with more displayable information in the darker and brighter parts of a scene.True 4KHDR/HLGCinema SuperColor TechnologyViewSonic s exclusive Cinema SuperColor Technology is able to meet 100% Rec.709 color gamut for producing the jaw-dropping, cinematic color you would expect at a movie theater.USB Type-C for Direct Streaming and RechargingThe projector s USB Type-C* connection puts a fun twist on streaming videos by allowing you to project content directly from your phone, laptop or tablet while also charging them simultaneously. You can even play Nintendo® Switch games on the big screen via direct connection without the dock.Ultimate Gaming Experience with Ultra-Fast InputSay goodbye to motion blur and missed attacks due to input lag! With our 4.2ms Ultra-Fast Input and hyper-responsive 240Hz refresh rate, plus the microsecond-level response time, you can game with low delay and seamless viewing of fast-moving objects and take your KDA to the next level.*To enable 4.2ms Ultra-Fast Input, turn it on in Advanced Settings and make sure the input content is with 240Hz refresh rate. When enabled, the highest resolution supported is 1080p.**The response time stated refers to the reaction time of DMD chip.4.2ms Ultra-Fast Input & 240Hz Refresh RateEffortless Image AdjustmentBe it on the side table in the living room, bedroom or any other location you like, the projector can provide perfectly shaped images from any angle with comprehensive H/V keystone and 4 corner adjustment capabilities. The auto V keystone further frees you from manual adjustments no matter how you tilt the projector, up or down.H/V Keystone & Auto V KeystoneAdaptable to Any EnvironmentEquipped with a 1.3x optical zoom lens, the projector empowers users to choose the most ideal set-up location that doesn t interfere with existing interior design while still getting the desired image size.1.3x Optical ZoomPerfect Projection, Even on Curved SurfacesWho says projection only works on a flat surface With our advanced Projector Warping Tool, the distorted image can be perfectly shaped through multiple point adjustments, even when projected on spherical or cylindrical shapes.Go Big, Even in Small SpacesScale up the excitement with a screen size easily made larger than a TV, even in limited space. Immerse yourself in 100 of entertainment from only 2.5 m away.1.13-1.47 Throw RatioSimplify Your Home with Unified Smart SystemsThe PX728-4K comes with LAN control capability that is compatible with a variety of home automation systems (incl. Control 4, Crestron, AMX, PJ Link, and Network Control), making it a perfect addition to your smart home.Get Your Cinema All Set at OnceWith 12V trigger output connectivity, just power on the PX728-4K and your home cinema will be all set, with the curtains closed and the projection screen lowered automatically.ISF Certified Color Calibration ToolsISF (Imaging Science Foundation) certified Day and Night Modes deliver optimized color in both bright and dark environments. If needed, ISF-certified technicians can provide on-site tuning of these settings for customized image calibration that best fits your home.Customize Your Own Color ProfilesBy using a cloud-based color profile exchange, users can create their own color profile to fit their preferences and share it with others. Also, users can download other profiles from their projectors and fine-tune them as their own.A Simpler Way to Update Projector SoftwareViewSonic Projector Software Update is available online and enables you to keep your projector firmware up to date easily and conveniently with your laptop and USB cable connection; no need to take your projector into a service center for software updates.Reliable Long-Term LifespanThe latest SuperEco+ mode technology greatly extends the lamp life of the projector from 15,000 hours to 20,000 hours meaning 4 hours a day for more than 13 years saving you maintenance cost and effort.USB Type-A Power Supply for HDMI Wireless DonglesA built-in USB power output (5V/1.5A) can be used to supply power to HDMI wireless dongles, like Chromecast, Amazon Fire TV Stick, etc., eliminating the need for separate power adapters when streaming your favorite multimedia content.Satisfying Audio PerformanceThe projector is embedded with a 10W speaker to deliver a satisfying audio performance right out of the box.10W SpeakerA More Eye-Friendly Viewing ExperienceUtilizing reflective light, which bounces off the wall or projector screen before hitting your eyes, the projector makes the viewing experience virtually blue light free, less invasive to your sight, and reduces eyestrain over prolonged viewing periods.Eye Care
| Projector | |
| Projector brightness: | 2000 ANSI lumens |
| Projector native resolution: | 2160p (3840x2160) |
| Contrast ratio (typical): | 12000:1 |
| Screen size compatibility: | 762 - 7620 mm (30 - 300") |
| Projection distance: | 0.75 - 9.76 m |
| Number of colours: | 1.07 billion colours |
| Horizontal scan range: | 15 - 135 kHz |
| Vertical scan range: | 23 - 240 Hz |
| Keystone correction, horizontal: | 40° |
| Keystone correction, vertical: | 40° |
| Light source | |
| Light source type: | Lamp |
| Service life of light source: | 4000 h |
| Service life of light source (economic mode): | 20000 h |
| Lamp power: | 240 W |
| Lens system | |
| Focal length range: | 12 - 15.6 mm |
| Aperture range (F-F): | 1.94 - 2.12 |
| Zoom capability: |  |
| Throw ratio: | 1.13 - 1.47 |
| Horizontal lens shift range: | 0 - 20% |
| Vertical lens shift range: | 0 - 20% |
| Offset: | 120% |
| Video | |
| Full HD: | |
| Supported graphics resolutions: | 640 x 512, 640 x 640, 640 x 160, 640 x 352, 640 x 360, 640 x 400, 640 x 480 (VGA), 640 x 544, 640 x 576, 640 x 960, 704 x 480, 704 x 576, 720 x 350, 720 x 400, 720 x 480, 720 x 576, 720 x 720, 752 x 582, 768 x 432, 768 x 448, 768 x 494, 768 x 576, 800 x 448, 800 x 450, 800 x 480 (WVGA), 800 x 500, 800 x 592, 800 x 600 (SVGA), 832 x 624, 832 x 642, 848 x 480, 854 x 480 (WVGA), 900 x 720, 960 x 960, 960 x 480, 960 x 540, 960 x 576, 960 x 720, 1024 x 576 (WSVGA), 1024 x 600, 1024 x 640, 1024 x 768 (XGA), 1024 x 800, 1032 x 452, 1056 x 144, 1080 x 1080, 1152 x 864 (XGA+), 1152 x 870, 1200 x 1600, 1200 x 1920, 1280 x 1024 (SXGA), 1280 x 720 (HD 720), 1280 x 768 (WXGA), 1280 x 768, 1280 x 800 (WXGA), 1280 x 800, 1280 x 960, 1280 x 1280, 1284 x 560, 1296 x 732, 1360 x 768 (WXGA), 1366 x 480, 1366 x 760, 1366 x 768, 1366 768, 1368 x 768, 1376 x 768, 1400 x 1050 (SXGA+), 1400 x 1080, 1400 x 900, 1440 x 1050, 1440 x 1080, 1440 x 234, 1440 x 900 (WXGA+), 1440 x 900, 1440 x 912, 1536 X 6144, 1536 x 2048, 1536 x 1536, 1600 x 1200 (UXGA), 1600 x 1280, 1600 x 600, 1600 x 900, 1600 x 904, 1680 x 1050 (WSXGA+), 1680 x 1056, 1920 x 1080 (HD 1080), 1920 x 1200 (WUXGA), 1920 x 1440, 1920 x 1600, 1920 x 2160, 1920 x 480, 1920 x 502, 1920 x 1920, 1920 x 720, 1920 x 832, 2032 x 1920, 2048 x 1080, 2048 x 1152, 2048 x 1280, 2048 x 1520, 2048 x 1536 (QXGA), 2048 x 1640, 2048 x 2560, 2048 x 2048, 2192 x 2192, 2304 x 1296, 2304 x 1728, 2520 x 1520, 2550 x 1440, 2560 x 1080, 2560 x 1440, 2560 x 1600 (WQXGA), 2560 x 1656, 2560 x 1920, 2560 x 1944, 2560 x 2048, 2592 x 1520, 2592 x 1944, 2640 x 2640, 2688 x 1512, 2688 x 1520, 2800 x 2100, 2880 x 1264, 2880 x 1620, 2880 x 2880, 2880 x 2160, 2944 x 1656, 2992 x 2244, 3072 x 1728, 3072 x 2048, 3200 x 1800, 3264 x 2448, 3280 x 2048, 3440 x 1440, 3648 x 2736, 3840 x 1200, 3840 x 2160 |
| Supported video modes: | 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p |
| Ports & interfaces | |
| HDMI ports quantity: | 2 |
| USB 2.0 ports quantity: | 1 |
| Serial interface type: | RS-232 |
| HDMI version: | 2.0b |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity: | 1 |
| Network | |
| Ethernet LAN: | |
| Ethernet LAN (RJ-45) ports: | 1 |
| Features | |
| Noise level: | 33 dB |
| Noise level (economic mode): | 28 dB |
| HDCP: | |
| On Screen Display (OSD): | |
| On Screen Display (OSD) languages: | Arabic, Simplified Chinese, Traditional Chinese, Czech, German, Dutch, English, Spanish, Finnish, French, Greek, Hindi, Indonesian, Italian, Japanese, Korean, Polish, Portuguese, Russian, Swedish, Thai, Turkish, Vietnamese |
| Number of OSD languages: | 23 |
| Multimedia | |
| Built-in speaker(s): | |
| RMS rated power: | 10 W |
| Number of built-in speakers: | 1 |
| Design | |
| Product type: | Short throw projector |
| Market positioning: | Home cinema |
| Product colour: | Black |
| Power | |
| Power source: | AC |
| Power consumption (typical): | 310 W |
| Power consumption (standby): | 0.5 W |
| AC input voltage: | 100 - 240 V |
| AC input frequency: | 50 - 60 Hz |
| Operational conditions | |
| Operating temperature (T-T): | 0 - 40 °C |
| Weight & dimensions | |
| Weight: | 2.8 kg |
| Width: | 312 mm |
| Depth: | 222 mm |
| Height: | 108 mm |
| Packaging content | |
| Remote control included: | |
| Cables included: | AC, USB Type-C |
| Logistics data | |
| Harmonized System (HS) code: | 85286200 |
