Viewsonic LX750-4KB Projector

UHD 4K (3840x2160) · 4000 lumens · 1.127 - 1.465 · Standard throw

See today's price, delivery and offers at the store.

Resolution UHD 4K (3840x2160)
Brightness 4000 lumens
Throw ratio 1.127 - 1.465
Type Standard throw

Viewsonic LX750-4KB Projector is a projector with UHD 4K (3840x2160) resolution and 4000 lumens of brightness. For a lit room, look for 3,000 lumens or more. It came out in 2025.

Released: 2025-12-19

Specifications

Key specs

Resolution: UHD 4K (3840x2160)
Brightness: 4000 lumens
Throw ratio: 1.127 - 1.465
Type: Standard throw
Released: 2025-12-19
Part number: LX750-4KB
EAN / UPC: 0766907039085

Projector

Screen size (max): 7.62 m (300")
Screen size compatibility: 1524 - 7620 mm (60 - 300")
Projection distance: 1.49 - 9.72 m
Projector brightness: 4000 ANSI lumens
Projector native resolution: UHD 4K (3840x2160)
Contrast ratio (typical): 1200:1
Native aspect ratio: 16:9
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°
Matrix size: 1.19 cm (0.47")
Horizontal synchronization (min): 15 kHz
Horizontal synchronization (max): 135 kHz
Vertical synchronization (min): 0.023 kHz
Vertical synchronization (max): 0.24 kHz

Light source

Light source type: Laser
Service life of light source: 20000 h

View all specifications +12 more sectionsShow fewer specifications

Lens system

Focus: Manual
Focal length range: 11.9 - 15.5 mm
Aperture range (F-F): 1.94 - 2.12
Zoom capability: Yes
Optical zoom: 1.3x
Throw ratio: 1.127 - 1.465
Offset: 110%

Video

Full HD: Yes
3D: Yes
Supported graphics resolutions: 640 x 480 (VGA), 3840 x 2160
Supported video modes: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p

Ports & interfaces

HDMI connector type: Full-size
HDMI version: 2.0
USB 2.0 Type-A ports quantity: 1
Serial interface type: RS-232
PC Audio out: Yes
HDMI ports quantity: 2
Audio Return Channel (ARC): Yes

Network

Smart TV: Yes
Wi-Fi: Yes
Bluetooth: Yes
Bluetooth version: 5.0

Storage

Internal storage capacity: 8 GB

Features

Noise level (economic mode): 27 dB
HDCP: Yes
On Screen Display (OSD): Yes
On Screen Display (OSD) languages: Multi
HDCP version: 2.2
Noise level: 33 dB
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: Hybrid Log-Gamma (HLG)
Video apps: Disney+, Netflix, Roku Channel, YouTube

Multimedia

Built-in speaker(s): Yes
RMS rated power: 10 W

Design

Market positioning: Home cinema
Product type: Standard throw projector
Product colour: White
Cable lock slot: Yes

Power

Power source: AC
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

Width: 312 mm
Depth: 234 mm
Height: 104 mm
Weight: 3.5 kg

Technical details

Image lag time: 1 ms

Check the manufacturer's page before buying.

Ready to buy? Get the Viewsonic LX750-4KB Projector at today's price.Buy now

About this product

Transform your home into a cinematic experience with the LX750-4KB smart 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. Plus, with Google TV and a native Netflix app, the LX750-4KB brings effortless streaming and premium entertainment into any room. Reliable Performance for Endless Fun The LX750-4KBadopts 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. Ultimate Viewing Experience with 4K HDR Experience true 4K UHD clarity and dynamic visuals powered by HDR/HLG and 3D support.

Datasheet (PDF)

LX750-4KB vs similar projectors

	Viewsonic LX750-4KB Projector	Viewsonic LX750-4KE Projector	Viewsonic PX749-4K Projector	Acer H6815P projector 4K Ultra HD, 4,000 ANSI lm
Resolution	UHD 4K (3840x2160)	UHD 4K (3840x2160)	UHD 4K (3840x2160)	UHD 4K (3840x2160)
Brightness	4000 lumens	4000 lumens	4000 lumens	4000 lumens
Throw ratio	1.127 - 1.465	1.127 - 1.465	1.13 - 1.47	1.5 - 1.66
Type	Standard throw	Standard throw	Standard throw	Standard throw
Released	2025	2025	2023	2026