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Boxlight ALX402 4000 lumes XGA Standard Throw Projector


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Key Features:

• Brightness: 4000 Lumens

• 20,000 hours lamp lifetime

• Powerful correction function

• Rigid dust-proof design

• Wireless projection


In Stock


Brightness ( ANSI Lumens ) 4000
Overall Specification
Panel Display Panel 3×0.63”
Display Technology Liquid Crystal Display
Native Resolution XGA (1024×768)
Lamp Lamp Lifetime(H) 10,000H(Normal) /20,000H(ECO)
Projection Lens Zoom/Focus Manual
Throw Ratio 70″@2.1m;1.48~1.78:1
F F:1.6~1.76
f f=19.158~23.018mm
Zoom Ratio 1.2x optics
Screen size 0.888~10.937m(30″~300″)
CR Contrast Ratio(Min) 20,000:1
Noise Noise(dB)@1m ECO: MAX 30dB; Normal: 37dB
Uniformity Uniformity(Actual Min) -JISX6911 0.8
AR Aspect Ratio 4:3 (Standard)/16:9(Compatible)
Terminal(I/O port)
Input VGA *1
Video *1
Audio in (mini jack,3.5mm) *1
Audio in(L/R) –RCA *1
USB-A 2.0 *1
USB-B *1(Display)
RJ45 *1(Display)
Output VGA *1
Audio out (mini-jack,3.5mm) *1
Control RS232 *1
RJ45 *1 (Control)
USB-B *1(for upgrade)
General Spec
Audio Speaker 1*10W
Power Consumption Power Requirements 100~240V@ 50/60Hz
Power Consumption 310W
ECO Standby Mode Power Consumption <0.5W
Temp.&Humidity Operating Temp. 0℃~40℃(35~ ECO)
Store Temp. -20℃~ 60℃
Operating Humidity 20%~85%
Storage Humidity 10%~85%
Mechanical Design Security bar Yes
Password protections Yes
Control Panel Lock Yes
Kensington Lock Yes
Ventilation (In/Ex) Side/Side
Filter Access Side
Dust filter ESD filter
Other Functions
Keystone Keystone Correction V: ±30°(auto+manual)
Pincushion/Barrel Correction, Corner Keystone
OSD Languages 26 languages: English, German, French, Italian, Spanish, Polish, Swedish, Dutch, Portuguese, Japanese, Simplified Chinese, Traditional Chinese, Korea, Russian, Arabic, Turkish, Finnish, Norwegian, Danish, Indonesian, Hungarian, Czech, Kazak, Vietnamese, Thai, Farsi
Scanning Frequency H-Synch Range 15~100KHz
V-Synch Range 24~85Hz
Display Resolution Computer Signal Input VGA, SVGA, XGA, SXGA,WXGA,UXGA,WUXGA,Mac,
Video Signal Input PAL, SECAM, NTSC 4.43, PAL-M, PAL-N, 480i, 480p, 576i, 576p, 720p, 1080p and 1080i
SW setting Auto Setup INPUT SEARCH, AUTO PC, AUTO Keystone
Suspend Yes(5miniutes no signal as default)
Picture mode Dynamic、Standard、Cinema、Blackboard、Colorboard
Lamp mode NORMAL, ECO
Filter Cleaning Cycle 100/200/300 hours
Cooling time 0s,60s,90s
Closed caption Yes
High altitude Yes(1400~2700m)
Signal Power On Yes
Turn on countdown 10s
Auto Ceiling Yes
D-Zoom 1~33
LAN Control LAN Control-RoomView (Crestron) Yes
LAN Control-AMX Discovery Yes
LAN Control-PJ Link Yes
Standard Power Code, VGA cable, Remote control, Service Card, QSG(for Projector)
MAX Dimensions (WxHxD mm) 345*261*99
Net. Weight (KG) 3.06

Boxlight ALX 402 Projector – A Comprehensive Review


Welcome to our comprehensive review of the Boxlight ALX 402 Projector. In this article, we will dive deep into the features, specifications, and capabilities of this impressive projector. Whether you are a business professional, educator, or home theater enthusiast, the Boxlight ALX 402 Projector has a lot to offer. With its high brightness, advanced display technology, and versatile connectivity options, it is designed to deliver a superior visual experience. So, let’s explore this projector in detail and discover why it deserves your attention.

Model: Boxlight ALX 402 Projector

The Boxlight ALX 402 Projector is a powerful and versatile device that combines advanced technology with user-friendly features. It offers a wide range of capabilities to meet the needs of various applications, including presentations, classroom teaching, home entertainment, and more. Let’s take a closer look at its key specifications:


The Boxlight ALX 402 Projector boasts an impressive brightness of 4000 ANSI Lumens. This high level of brightness ensures clear and vibrant images even in well-lit environments. Whether you are presenting in a conference room or watching a movie in your living room, this projector delivers bright and sharp visuals.

Display Panel and Technology

The projector features a 3×0.63″ liquid crystal display panel, which enables it to produce crisp and detailed images. The use of liquid crystal display technology ensures accurate color reproduction and enhanced image quality. With the Boxlight ALX 402 Projector, you can enjoy stunning visuals with rich colors and sharp details.

Native Resolution

The native resolution of the Boxlight ALX 402 Projector is XGA (1024×768). This resolution provides a good balance between image clarity and compatibility with various content sources. Whether you are displaying presentations, videos, or images, the native resolution of this projector ensures sharp and well-defined visuals.

Lamp Lifetime

The lamp of the Boxlight ALX 402 Projector has an impressive lifetime of 10,000 hours in normal mode and 20,000 hours in ECO mode. This extended lamp life translates to years of uninterrupted usage without the need for frequent lamp replacements, making it a cost-effective choice for long-term use.

Projection Lens and Zoom/Focus

The projector is equipped with a manual zoom and focus mechanism, allowing you to adjust the image size and focus according to your preferences. The throw ratio ranges from 1.48 to 1.78:1, enabling you to project large images from a relatively short distance. The 1.2x optical zoom further enhances the projector’s versatility by offering flexible installation options.

Screen Size and Aspect Ratio

With the Boxlight ALX 402 Projector, you can enjoy a wide range of screen sizes, ranging from 0.888m to 10.937m (30″ to 300″). This flexibility allows you to adapt the projection size to fit your specific needs and venue size. The projector supports both the standard 4:3 aspect ratio and the 16:9 aspect ratio for widescreen content compatibility.

Overall Specifications

Now that we have discussed some of the key features of the Boxlight ALX 402 Projector, let’s delve into its overall specifications, which provide a more comprehensive understanding of its capabilities.

Contrast Ratio

This high contrast ratio enhances the image quality by providing a greater distinction between dark and light areas. It enables the projector to display images with more depth and detail, making your presentations, movies, and videos visually engaging.

Connectivity Options

The Boxlight ALX 402 Projector offers a wide range of connectivity options to accommodate various devices and content sources. It includes multiple input ports such as HDMI, VGA, composite video, and audio inputs, allowing you to connect your laptop, Blu-ray player, gaming console, or other devices seamlessly. Additionally, it features a USB port for direct playback of multimedia files.

Integrated Speakers

The projector is equipped with built-in 10W speakers, eliminating the need for external audio devices in small to medium-sized rooms. These speakers deliver decent sound quality, ensuring that your presentations have clear audio and your movie nights are accompanied by immersive sound.

Keystone Correction and Image Flip

To ensure a properly aligned image, the Boxlight ALX 402 Projector offers vertical keystone correction. This feature allows you to adjust the image distortion caused by an angled projection surface, ensuring a rectangular image. Moreover, it provides an image flip function, which is useful for ceiling-mounted installations where the projected image needs to be inverted.

3D Capability

If you’re a fan of 3D content, you’ll be pleased to know that the Boxlight ALX 402 Projector supports 3D projection. With compatible 3D content and active shutter glasses, you can enjoy immersive 3D visuals right in your living room or classroom.

Remote Control and On-Screen Display

The projector comes with a remote control that allows you to conveniently navigate through the on-screen display (OSD) menu and adjust various settings. The OSD provides intuitive and user-friendly controls for image adjustment, input selection, and other functions, making it easy to customize your viewing experience.

Energy Efficiency

The Boxlight ALX 402 Projector is designed with energy efficiency in mind. It features an eco-mode that reduces power consumption and extends the lamp life. Additionally, it includes an auto power-off function, which automatically turns off the projector when no signal is detected, saving energy and increasing the lifespan of the lamp.

Warranty and Support

Boxlight, the manufacturer of the ALX 402 Projector, offers a standard warranty to protect your investment. In case of any technical issues or concerns, their customer support team is available to assist you with troubleshooting and resolving any problems.


The Boxlight ALX 402 Projector is a feature-rich and versatile projector that caters to a wide range of applications. With its high brightness, native resolution, and advanced display technology, it delivers clear, vibrant, and detailed visuals. The connectivity options, integrated speakers, and 3D capability further enhance the viewing experience. Whether you’re a business professional, educator, or home theater enthusiast, the Boxlight ALX 402 Projector is a reliable choice.

Please note that while this comprehensive review provides an overview of the Boxlight ALX 402 Projector’s features and specifications, it’s always recommended to refer to the official product documentation and consult customer reviews for a well-rounded understanding of its performance and user experiences.

Frequenty ASK Questions:

1. What is the maximum screen size that the Boxlight ALX 402 Projector can accommodate? The Boxlight ALX 402 Projector can project an image with a diagonal screen size ranging from 30 inches to 300 inches, depending on the distance between the projector and the screen.

2. Can the projector be ceiling-mounted? Yes, the Boxlight ALX 402 Projector can be easily ceiling-mounted using a compatible ceiling-mount kit. This is particularly useful for permanent installations in classrooms or home theaters.

3. Does the projector support wireless connectivity? No, the Boxlight ALX 402 Projector does not have built-in wireless connectivity. However, you can connect compatible wireless adapters or devices, such as a wireless HDMI transmitter, to achieve wireless projection.

4. What is the lamp life of the Boxlight ALX 402 Projector? The lamp life of the Boxlight ALX 402 Projector varies depending on the selected brightness mode. In standard mode, the lamp can last up to 4,500 hours, while in eco-mode, the lamp life extends to approximately 6,000 hours.

5. Can the projector display PowerPoint presentations directly from a USB drive? Yes, the Boxlight ALX 402 Projector has a USB port that supports the direct playback of multimedia files. You can connect a USB drive and access PowerPoint presentations, images, videos, and other supported file formats.

6. Does the projector have a zoom function? Yes, the Boxlight ALX 402 Projector offers a manual zoom function, allowing you to adjust the size of the projected image without physically moving the projector.

7. Can I connect external speakers to the projector? Absolutely! In addition to the built-in 10W speakers, the Boxlight ALX 402 Projector provides audio output ports that allow you to connect external speakers or audio systems for a more immersive sound experience.

8. Is the projector compatible with 4K resolution? No, the Boxlight ALX 402 Projector has a native resolution of 1920×1080 pixels, which is Full HD or 1080p. It does not support native 4K resolution.

9. Can I use the projector in daylight conditions? While the Boxlight ALX 402 Projector offers high brightness, it is still recommended to use it in dimmer environments for the best image quality. Ambient light can affect the perceived contrast and clarity of the projected image.

10. Does the projector come with a carrying case? The availability of a carrying case may vary depending on the package or retailer. It’s advisable to check the product listing or contact the seller to confirm if a carrying case is included with the projector.

If you have any further questions or need more information about the Boxlight ALX 402 Projector, we recommend referring to the official product documentation or reaching out to the manufacturer’s customer support for detailed assistance.


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