ViewSonic LX750-4K Laser UHD Home Cinema Projector
Transform your home cinema with the ViewSonic LX750-4K, an ultra-bright home projector utilising 3rd-generation laser technology to deliver stunning 4K visuals at a brilliant 4,000 ANSI lumens. Engineered for longevity and ease, its maintenance-free laser engine provides up to 30,000 hours of performance, eliminating the need for costly bulb replacements while ensuring vibrant clarity even in well-lit spaces. This all-in-one entertainment hub comes fully loaded with Google TV and native Netflix streaming, alongside versatile HDMI ARC and Bluetooth audio options for a seamless setup. Whether you're a cinephile or a competitive gamer seeking a literal edge with its ultra-low 1ms input lag, the LX750-4K offers a premium, high-speed experience that redefines the modern big-screen lifestyle.
Key Features & Specifications
- UHD 3840 x 2160 16:9
- 4000 ANSI Lumens
- 3,000,000:1 Contrast
- 3.5kg Weight
- 33 / 27db(eco) Fan Noise
- 3 Year Warranty
- 3 Years/10,000hrs Laser Warranty
- Est. Laser Life up to 30,000hrs
- 2x HDMI Connections
- 1.3x Zoom
- 4 Corner Correction
- Horizontal & Vertical Keystone
- HDMI Audio Return (ARC)
- Google TV Inbuilt
- Wireless Streaming
- Bluetooth Audio 5.0
- Fast Gaming Modes
Throw Distance Chart
(Throw Ratio: 1.127-1.465:1)
| Image Size | Installation Distance |
|---|---|
| 92" (16:9) 2030x1140mm | From 2.3m to 3.0m |
| 100" (16:9) 2214x1245mm | From 2.5m to 3.2m |
| 110" (16:9) 2435x1370mm | From 2.7m to 3.6m |
| 120" (16:9) 2657x1494mm | From 3.0m to 3.9m |
| 135" (16:9) 2990x1681mm | From 3.4m to 4.4m |
| 150" (16:9) 3320x1867mm | From 3.6m to 4.8m |
- 3rd generation laser phosphor technology with up to a 20,000-hour lifespan
- Immersive true 4K HDR offering up to 300" screen
- Vibrant and clear visuals with 4,000 ANSI Lumens of brightness
- Powerful 10W cube speaker for immersive sound
- Installation flexibility: 1.3x optical zoom, H/V keystone, 4 corners adjustment
- Easy streaming with built-in Google TV and native Netflix app
OVERVIEW
Elevate your living space into a true home theater with the LX750-4K smart laser projector. Powered by 3rd-generation laser phosphor technology, it delivers a brilliant 4,000 ANSI Lumens of brightness and up to 20,000 hours of lamp-free operation, so you get vivid, crystal-clear visuals any time of day or night. Immerse yourself in stunning 4K HDR quality on screens as large as 300 inches, while the built-in 10W cube speaker fills the room with rich, powerful sound. Setup couldn’t be easier thanks to 1.3x optical zoom, H/V keystone correction, and four-corner adjustment for perfect alignment in any room. With Google TV and a native Netflix app built right in, the LX750-4K makes streaming effortless—bringing premium entertainment straight to your home.
Reliable Performance for Endless Fun
The LX750-4K is powered by advanced 3rd-generation laser phosphor technology, delivering long-lasting, completely lamp-free performance. With an impressive lifespan of up to 20,000 hours, you'll never need to replace a lamp—enjoying reliable, year-round entertainment while saving time, hassle, and ongoing maintenance costs.
3rd-gen Laser Phosphor Technology
Ultimate Viewing Experience with 4K HDR
Experience razor-sharp 4K UHD clarity and stunning dynamic visuals, powered by HDR/HLG and full 3D support*. The LX750-4K features dual HDMI 2.0b ports with HDCP 2.2 compatibility, delivering true native 4K quality that brings your favorite games, sports, movies, and shows to life with breathtaking realism and vibrant detail.
*Support frame sequential onlyNative 4K HDR
Bright Images Anytime
Enjoy vibrant entertainment any time of day or night. Whether it's a cozy family movie night or a bright afternoon sports game, the LX750-4K delivers a powerful 4,000 ANSI Lumens of brightness—so every detail shines through with perfect clarity.
4,000 ANSI Lumens
Bring the Big Screen Home
Transform any room into your own personal home theater with a massive screen size of up to 300 inches. From epic movie nights and intense gaming marathons to live concert streams, the LX750-4K brings friends and family together for unforgettable moments on the big screen.
Up to 300” Screen Size
Crisp Sound, Right Out of the Box
Skip the speaker setup entirely. The LX750-4K's built-in 10W cube speaker delivers crisp, room-filling audio for movies, music, and more—ready to enjoy straight out of the box.
10W Cube Speaker
Big Screen, No Big Rearranging
The 1.3x optical zoom lens gives you effortless flexibility to adjust placement and screen size—even if the projector isn't mounted at the ideal distance. Easily achieve your perfect image size without repositioning the ceiling mount.
1.3x Optical Zoom
Perfect Image Projection from All Angles
With flexible H/V keystone correction and four-corner adjustment, the LX750-4K delivers a perfectly aligned image even if it's not mounted dead center. Whether it's tilted downward, angled upward, or projected from the side, setup is quick and effortless—keeping your picture razor-sharp every time.
H/V Keystone Correction, 4 Corner Adjustment
Stream Your Way, On the Big Screen
Stream smarter with built-in Google TV. The LX750-4K comes fully loaded with your favorite apps like Netflix, YouTube, and Disney+—no extra devices required. Simply sign in and start streaming instantly. Prefer using a streamer you already own? It connects seamlessly with Chromecast, Apple TV, Fire TV, Roku, and more. Plus, the convenient USB-A port keeps external devices powered up without extra adapters.*
*The ability to power external devices via USB-A depends on the specific power requirements of the connected device.**The streaming devices of brands stated herein are for demo purposes only and are not preinstalled and not included in the Product. The aforesaid devices are the properties of their respective owners, unaffiliated with ViewSonic, and are neither sponsors nor endorsers of the Product.
***The Product's aforesaid compatibility with streaming devices of brands not stated herein may vary based on specifications. Please verify before purchasing the Product.
Built-in Google TV
Speed That Keeps You Ahead
The LX750-4K features 1ms ultra-fast input*, a blazing 240Hz refresh rate, and near-instant response time**, ensuring fast-paced games, action scenes, and live sports play out with crystal clarity and zero motion blur.
*1ms Ultra-Fast Input supports up to 240Hz at 1080p resolution and up to 60Hz at 4K resolution. This feature is automatically activated when keystone, corner adjustment, overscan, and aspect ratio are set to default.**The response time stated refers to the reaction time of the DMD chip.
1ms Low Latency
Wireless Screen Casting from Your Smart Devices
With built-in fast, stable 5GHz Wi-Fi, casting from your phone, tablet, or laptop is effortless and completely cable-free. Stream videos, share photos, or mirror your screen to enjoy your favorite content on the big screen—no extra setup required.*
*Only works with “smart system” input source.*To enable the AirPlay function, you may need to install a third-party application.
Bluetooth Sound Out, Your Way
Wirelessly stream audio from the LX750-4K directly to your Bluetooth headphones, so you can shut out the outside world and fully immerse yourself in big-screen entertainment.
*Only works with “smart system” input sourceBluetooth Audio Output
Clean Setup. Big Sound.
HDMI ARC on the LX750-4K lets you send both video and audio through a single cable, making it incredibly easy to connect to your sound system while keeping your entire setup clean, simple, and completely clutter-free.
HDMI ARC
Designed with Eye Care in Mind
The LX750-4K is thoughtfully designed to reduce blue light and minimize eye strain. Unlike traditional displays, it uses reflective light that bounces off the wall or screen before reaching your eyes—so you can enjoy longer viewing sessions in complete comfort.*
*The low blue light mode can be activated manually.
What's in the Box
- ViewSonic LX750-4K Projector
- Remote Control
- Power Cord
What you may need
- Projector Ceiling Mount
- HDMI Cable
- Projector Screen
| Projection System: 0.47" 4K-UHD |
| Native Resolution: 3840x2160 |
| Brightness: 4000 (ANSI Lumens) |
| Contrast Ratio: 3,000,000:1 |
| Display Color: 1.07 Billion Colors |
| Light Source Type: Laser Phosphor |
| Light Source Life (hours) with Normal Mode: 20000 |
| Light Source Life (hours) with SuperEco Mode: 30000 |
| Lens: F=1.94-2.12,f=11.9-15.5mm |
| Projection Offset: 110%+/-6% |
| Throw Ratio: 1.127-1.465 |
| Optical Zoom: 1.3X |
| Image Size: 60"-300" |
| Throw Distance: 1.49-9.72m (150"@3.74m) |
| Keystone: H:+/-25° , V:+/-25° |
| Audible Noise (Normal): 33dB |
| Audible Noise (Eco): 27dB |
| Local Storage: Total 8GB (4GB available storage) |
| Input Lag: 1ms |
| Resolution Support: VGA(640 x 480) to 4K(3840 x 2160) |
| HDTV Compatibility: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p |
| Horizontal Frequency: 15K-135KHz |
| Vertical Scan Rate: 23-240Hz |
| Input |
| HDMI: 2 |
| (HDMI 2.0, HDCP 2.2) |
| Wifi Input: 1 (5Gn) |
| Output |
| Audio-out (3.5mm): 1 |
| Audio-out (Bluetooth): 1 (BT5.0) |
| Audio-out (HDMI ARC): 1 (Share with HDMI Input) |
| Speaker: 10W Cube |
| USB Type A (Power): 1 (5V/1.5A) |
| Control |
| RS232 (DB 9-pin male): 1 |
| USB Type A (Services): 1 (share with USB A Output) |
| Others |
| Power Supply Voltage: 100-240V+/- 10%, 50/60Hz |
| Power Consumption: Normal: 173W |
| Standby: 0.5W |
| Operating Temperature: 0~40℃ |
| Carton: Brown |
| Net Weight: 3.50kg |
| Gross Weight: 4.60kg |
| Dimensions (WxDxH) with Adjustment Foot: 312x234x104mm |
| Packing Dimensions: 415x168x297mm |
| OSD Language: English, French, Spanish, Thai, Korean, German, Italian, Russian, Swedish, Dutch, Polish, Czech, T-Chinese, S-Chinese, Japanese, Turkish, Portuguese, Finnish, Indonesian, Hindi, Arabic, Vietnamese, Greek, Hungarian Total 24 languages |
| User Guide Language: English, S-Chinese, T-Chinese, Indonesian, Finish, French, German, Italian, Japanese, Korean, Polish, Portuguese, Russian, Spanish, Swedish, Turkish, Arabic, Czech, Thai, Vietnamese, total 20 languages |
| Standard Accessory |
| Power Cord: 1 |
| Remote Control: 1 (BT w/ backlit) |
| QSG: Yes |