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 30,000 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

Ultimate Viewing Experience with 4K HDR

Experience true 4K UHD clarity and dynamic visuals with HDR/HLG 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.

Native 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.

3,500 ANSI Lumens

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

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

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

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

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.​​

Speed That Keeps You Ahead

The LX719-4K 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.

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

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.

Dimension & I/O Ports

Conveniently mount the monitor to your preference by utilizing the 100mm x 100mm VESA-compatible mount design.

100mm x 100mm VESA mount

• 01. Zoom/Focus Ring
• 02. Keypad
• 03. Adjustment Foot
• 04. Lens

• 05. Front IR
• 06. Audio Out
• 07. RS-232

• 08.. USB-A (5V/1.5A)
• 09. HDMI 2.0/ HDCP 2.2 (ARC)
• 10. HDMI 2.0/ HDCP 2.2

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

HDMI

2 (HDMI 2.0, HDCP 2.2)

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)

RS232 (DB 9-pin male)

1

USB Type A (Services)

1 (share with USB A Output)

Power Supply Voltage

100-240V+/- 10%, 50/60Hz (AC in)

Power Consumption

Normal: 166W
Standby: <0.5W

Operating Temperature

0~40℃

Carton

Brown

Net Weight

3.3kg (7.28 lbs)

Gross Weight

4.4kg (9.70 lbs)

Dimensions (WxDxH) with Adjustment Foot

312x234x104mm
(12.3x9.2x4.1 in)

Packing Dimensions

415x168x297mm (16.3x6.6x11.7 in)

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

Power Cord

1

Remote Control

1 (w/ backlit)

QSG

Yes