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header-product Projector VIEWSONIC LX750-4KE — Standard throw laser projector 4000 ANSI lumens UHD 4K (3840×2160), 16:9, 3.5 kg, white
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AiO.lv Electronics Audio & Video Equipment Projectors VIEWSONIC

Projector VIEWSONIC LX750-4KE — Standard throw laser projector 4000 ANSI lumens UHD 4K (3840×2160), 16:9, 3.5 kg, white

VIEWSONIC LX750-4KE projector 4K 4000 ANSI Photo 1
VIEWSONIC LX750-4KE projector 4K 4000 ANSI Photo 1
Projector VIEWSONIC LX750-4KE — Standard throw laser projector 4000 ANSI lumens UHD 4K (3840×2160), 16:9, 3.5 kg, white
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Short description

VIEWSONIC LX750-4KE is a standard-throw laser data projector with 4000 ANSI lumens brightness and native UHD 4K (3840×2160) resolution. It offers a 16:9 aspect ratio, 1200:1 contrast, manual focus and a 11.9–15.5 mm focal range. Laser light source rated for 20,000 hours, supports HDMI 2.0b, RS-232 control and common video modes up to 2160p. Suitable for conference rooms, classrooms and large venues requiring high-resolution projection.
Warranty: 2 Years
SKU: 12038003
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Product information

Description

VIEWSONIC LX750-4KE is a standard-throw laser projector designed for high-resolution data and video projection. It delivers native UHD 4K (3840×2160) resolution with a 16:9 aspect ratio, 4000 ANSI lumens of brightness and a contrast ratio of 1200:1. The projector uses a laser light source rated for up to 20,000 hours, supports HDMI 2.0b input and RS-232 control, and has manual focus with an 11.9–15.5 mm focal range. Its white housing and 3.5 kg weight make it suitable for installation in conference rooms, classrooms and larger venues that require detailed, bright projection.

Advantages

The LX750-4KE offers a combination of high brightness and native 4K resolution that ensures legible text and detailed images in well-lit spaces. A long-life laser light source reduces maintenance and replacement costs compared with lamp-based projectors. Manual focus and a moderate focal range allow precise image adjustments during installation, while support for common video modes up to 2160p and HDMI 2.0b ensures compatibility with modern 4K sources.

Suitable for

  • Conference rooms and meeting spaces requiring clear presentations
  • Classrooms and lecture halls where detailed images and text are needed
  • Large venues and public spaces with controlled projection surfaces
  • Environments needing long runtime and low maintenance projection

Key specifications

  • Native resolution: UHD 4K (3840×2160)
  • Brightness: 4000 ANSI lumens
  • Aspect ratio: 16:9
  • Contrast ratio: 1200:1
  • Light source: Laser, rated up to 20,000 hours
  • Focus: Manual; focal range: 11.9–15.5 mm
  • Screen size compatibility: 1524 – 7620 mm (60 – 300")
  • Weight: 3.5 kg
  • Product colour: White
  • Control: RS-232 support; video input: HDMI 2.0b (supports up to 2160p)

How to use

Install the projector at the recommended throw distance for the desired screen size, align it with the projection surface and adjust manual focus until the image is sharp. Connect video sources to the HDMI 2.0b input for native 4K signals and use RS-232 control if integrating with room control systems. Position the unit on a stable surface or secure it using approved ceiling mounts, taking the projector's weight into account. Ensure proper ventilation and follow the manufacturer's guidelines for power connection and safety.

Usage recommendations

For best results, calibrate image geometry and focus after installation, use an appropriate projection screen or a smooth, matte surface, and select video sources that output 2160p when displaying 4K content. Regularly check ventilation paths and keep the projector free of dust to maintain brightness and extend laser life.

Specifications

Native aspect ratio:
16:9
Screen size compatibility:
1524 - 7620
Weight:
3.5 kg
Projector brightness:
4000 ANSI lumens
Product colour:
White
All features

Network

Wi-Fi standards:
Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n), 802.11g, 802.11b
Bluetooth version:
5.0
Ethernet LAN:
No
Bluetooth:
Yes
Wi-Fi:
Yes
Smart TV:
Yes

Ports & interfaces

Serial interface type:
RS-232
DVI port:
No
VGA (D-Sub) ports quantity:
0
Composite video in:
0
Audio (L/R) in:
0
Component video (YPbPr/YCbCr) in:
0
HDMI ports quantity:
2
HDMI version:
2.0b
PC Audio out:
Yes
Audio Return Channel (ARC):
Yes
HDMI connector type:
Full-size
USB 2.0 Type-A ports quantity:
1

Features

Noise level: Not only energy saving helps to protect the environment but also noise level reduction. Noise level reduction up to 3 dB really means noise level reduction in 2 times. For example, a device with noise level 39 dB (А) will be two times quieter than a devise with a noise level 42 dB (А). Energy-saving certificate that shows noise level plays the role of an additional objective indicator basing on which You can successfully choose a product.
33 dB
On Screen Display (OSD):
Yes
On Screen Display (OSD) languages:
Multi
HDCP:
Yes
Noise level (economic mode):
27 dB
HDCP version:
2.2
Video apps:
YouTube, Roku Channel, Netflix, Disney+
High Dynamic Range (HDR) supported:
Yes
High Dynamic Range (HDR) technology:
Hybrid Log-Gamma (HLG)

Light source

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

Projector

Contrast ratio (typical):
1200:1
Projection distance:
1.49 - 9.72
Projector brightness:
4000 ANSI lumens
Screen size compatibility:
1524 - 7620
Keystone correction, vertical:
+-40
Keystone correction, horizontal:
+-40
Matrix size:
0.47 "
Horizontal synchronization (max):
135 kHz
Horizontal synchronization (min):
15 kHz
Vertical synchronization (min):
0.023 kHz
Vertical synchronization (max):
0.24 kHz
Native aspect ratio:
16:9
Screen size (max):
300 "
Number of colours:
1.07 billion colours
Smart projector:
No

Packaging content

Remote control included:
Yes
Cables included:
AC

Operational conditions

Operating temperature (T-T):
0 - 40

Power

Power source:
AC
Power consumption (standby):
0.5 W
AC input frequency:
50/60
AC input voltage:
100 - 240

Design

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

Lens system

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

Display

Built-in display:
No

Weight & dimensions

Weight:
3.5 kg
Package weight:
4600 g
Height:
104 mm
Width:
312 mm
Depth:
234 mm
Package depth:
168 mm
Package height:
297 mm
Package width:
415 mm

Multimedia

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

Storage

Internal storage capacity:
8 GB

Video

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

Technical details

Image lag time:
1 ms

Logistics data

Quantity per pack:
1 pc(s)
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Customer questions

FAQ

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Leasing for legal entities. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All VIEWSONIC products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized VIEWSONIC service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: native aspect ratio, screen size compatibility, weight, projector brightness, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.
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