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LX720-4K

3,500 ANSI Lumens 4K Smart Laser Home Projector

  • 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 3,500 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
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OVERVIEW

Transform your home into a cinematic experience with the LX720-4K smart laser projector. Equipped with 3rd-generation laser phosphor technology, it delivers 3,500 ANSI Lumens of brightness and up to 20,000 hours of lamp-free use, ensuring vivid visuals day or night. Enjoy immersive 4K HDR picture quality on screens up to 300 inches, paired with a built-in 10W cube speaker for rich, room-filling sound. With features like 1.3x optical zoom, H/V keystone correction, and four-corner adjustment, setup is simple and flexible. Plus, with Google TV and a native Netflix app, the LX720-4K brings effortless streaming and premium entertainment into any room.

Reliable Performance for Endless Fun

The LX720-4K adopts 3rd-generation laser phosphor technology for long-lasting, lamp-free performance. With a lifespan of up to 20,000 hours, there's no need for lamp replacements—delivering reliable, year-round entertainment while saving you time, effort, and ongoing maintenance costs.
3rd-gen Laser Phosphor Technology
Reliable Performance for Endless Fun 1

Ultimate Viewing Experience with 4K HDR

Experience true 4K UHD clarity and dynamic visuals powered by HDR/HLG and 3D support*. The LX720-4K features dual HDMI 2.0b and HDCP 2.2 ports to ensure native 4K quality, bringing your favorite games, sports, movies, and shows vividly to life.

*Support frame sequential only
Native 4K HDR
Ultimate Viewing Experience with 4K HDR 1

Bright Images Anytime

Enjoy brilliant entertainment anytime—day or night. Whether it’s movie night with the family or a sunny afternoon game, the LX720-4K shines with 3,500 ANSI Lumens of brightness, so you never miss a detail.
3,500 ANSI Lumens
Bright Images Anytime 1

Bring the Big Screen Home

Turn any room into a personal theater with a massive screen size of up to 300 inches. From epic movie nights to gaming marathons and live concert streams, the LX720-4K lets you bring everyone together for unforgettable moments on the big screen.
Up to 300” Screen Size
Bring the Big Screen Home 1

Crisp Sound, Right Out of the Box

Skip the speaker setup. With a built-in 10W cube speaker, the LX720-4K lets you dive into movies, music, and more with crisp, room-filling audio right out of the box.
10W Cube Speaker
Crisp Sound, Right Out of the Box 1

Big Screen, No Big Rearranging

The 1.3x optical zoom lens gives you flexibility to fine-tune placement and screen size, even if the projector isn’t mounted at the perfect distance. Get the image size you want without needing to reposition your ceiling mount.
1.3x Optical Zoom
Big Screen, No Big Rearranging 1

Perfect Image Projection from All Angles

Thanks to flexible H/V keystone correction and 4-corner adjustment, you’ll get a perfectly aligned image even if the projector isn’t mounted perfectly centered. Whether it’s tilted down, angled up, or projected from the side, setup is easy and your picture stays sharp.
H/V Keystone Correction, 4 Corner Adjustment
Perfect Image Projection from All Angles 1

Stream Your Way, On the Big Screen

Stream smarter with built-in Google TV. The LX720-4K comes ready to go with your favorite apps like Netflix, YouTube, and Disney+, no extra devices needed. Just sign in and start streaming. Prefer a device you already use? It also works smoothly with Chromecast, Apple TV, Fire TV, Roku, and more. Plus, the USB-A port lets you keep external streamers 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 mayvary based on specifications. Please verify before purchasing the Product.
Built-in Google TV
Stream Your Way, On the Big Screen 1

Speed That Keeps You Ahead

The LX720-4K supports 1ms ultra-fast input*, a blazing 240Hz refresh rate, and near-instant response time**, so fast-paced games, action scenes, and live sports play out with crystal clarity and no 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
Speed That Keeps You Ahead 1

Wireless Screen Casting from Your Smart Devices

With fast, stable 5GHz Wi-Fi built in, casting from your phone, tablet, or laptop is easy and 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.​​​​
Wireless Screen Casting from Your Smart Devices 1

Bluetooth Sound Out, Your Way

Wirelessly stream audio from the projector to your Bluetooth headphones, letting you escape the outside world and fully immerse yourself in big-screen entertainment.​

*Only works with “smart system” input source
Bluetooth Audio Output
Bluetooth Sound Out, Your Way 1

Clean Setup. Big Sound.

With HDMI ARC, the LX720-4K sends video and audio through a single cable—making it easy to connect to your sound system and keep your setup clean and simple.
HDMI ARC
Clean Setup. Big Sound. 1

Designed with Eye Care in Mind

The LX720-4K is designed to reduce blue light and ease the strain on your eyes. Unlike traditional displays, it uses reflective light that bounces off the wall or screen before reaching you—so you can enjoy longer viewing sessions more comfortably.*

*The low blue light mode can be activated manually.
Designed with Eye Care in Mind 1

Dimensions & I/O Ports

  1. Zoom/Focus Ring
  2. Keypad
  3. Adjustment Foot
  4. Lens
  5. Front IR
  6. Audio Out
  7. RS-232
  8. USB-A (5V/1.5A)
  9. HDMI 2.0 / HDCP 2.2 (ARC)
  10. HDMI 2.0 / HDCP 2.2

SPECIFICATIONS


  • Specification
    Projection System: 0.47" 4K-UHD
    Native Resolution: 3840x2160
    Brightness: 3500 (ANSI Lumens)
    Contrast Ratio: 1200:1
    Display Color: 1.07 Billion Colors
    Light Source Type: Laser Phosphor
    Light Source Life (hours) with Normal Mode: 20000
    Lens: F=1.94-2.12,f=11.9-15.5mm
    Projection Offset: 110%+/-6%
    Throw Ratio: 1.125-1.463
    Optical Zoom: 1.3X
    Image Size: 60"-300"
    Throw Distance: 1.49-9.72m
    (150"@3.74m)
    Keystone: H:+/-40° , V:+/-40°
    Audible Noise (Normal): 32dB
    Audible Noise (Eco): 26dB
    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)

SUPPORT & DOWNLOADS


Datasheets

LX720-4K Datasheet

User Guides

LX720-4K User Guide(English)

Quick Start Guide

LX720-4K Quick Start Guide