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LX749-4K

4,000 ANSI Lumens 4K 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 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
  • 1ms Ultra-fast input lag supports up to 240Hz at 1080p resolution
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OVERVIEW

Transform your home into a cinematic experience with the LX749-4K laser projector. Equipped with 3rd-generation laser phosphor technology, it delivers 4,000 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. The LX749-4K brings effortless streaming and premium entertainment into any room.

Reliable Performance for Endless Fun

The LX749-4K 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

Ultimate Viewing Experience with 4K HDR

Experience true 4K UHD clarity and dynamic visuals powered by HDR/HLG and 3D support. The LX749-4K 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.
*3D function supports frame sequential format only.

Native 4K HDR
Ultimate Viewing Experience with 4K HDR

Bright Images Anytime

Enjoy brilliant entertainment anytime—day or night. Whether it’s movie night with the family or a sunny afternoon game, the LX749-4K shines with 4,000 ANSI Lumens of brightness, so you never miss a detail.

4,000 ANSI Lumens
Bright Images Anytime

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 LX749-4K lets you bring everyone together for unforgettable moments on the big screen.
Up to 300” Screen Size
Bring the Big Screen Home

Crisp Sound, Right Out of the Box

Skip the speaker setup. With a built-in 10W cube speaker, the LX749-4K 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

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

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

Shape Your Gaming Experience​

With warping adjustment, adapt your screen to any projection surface and take advantage of curves for an always more immersive big screen experience.​​
Shape Your Gaming Experience​

Speed That Keeps You Ahead

The LX749-4K supports 1ms low input latency with a blazing 240Hz refresh rate. It is suitable for fast-paced games, action scenes, and live sports play out with crystal clarity and no motion blur.
*1ms low Input latency 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.

Speed That Keeps You Ahead

Clean Setup. Big Sound.

With HDMI ARC, the LX749-4K 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.

Designed with Eye Care in Mind

The LX749-4K is built with your eye comfort in mind. Unlike traditional displays, the projector uses reflected light that bounces off the wall or screen before reaching you. It also features a low blue light mode for additional eye comfort—so you can enjoy longer viewing sessions more comfortably.
*Low blue light mode can be activated manually.

Designed with Eye Care in Mind

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: 4000 (ANSI Lumens)
    Contrast Ratio: 3000000:1
    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 (Eco)
    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
    (100"@2.49m)
    Keystone: H:+/-25° , V:+/-25°
    Audible Noise (Normal): 33dB
    Audible Noise (Eco): 27dB
    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-255KHz
    Vertical Scan Rate: 23-240Hz
  • Input
    HDMI: 2
    (HDMI 2.0, HDCP 2.2)
  • Output
    Audio-out (3.5mm): 1
    Audio-out (HDMI ARC): 1
    (share with HDMI Input)
    Speaker: 10W Cube
    USB Type A (Power): 1 (5V/1.5A)

SUPPORT & DOWNLOADS


Datasheets

LX749-4K Datasheet

User Guides

LX749-4K User Guide(English)

Quick Start Guide

LX749-4K Quick Start Guide