BenQ LK935 4K Large Venue Projector
The LK935 by BenQ offers a high-resolution native 4K Ultra HD display and a high brightness of 5500 ANSI Lumens for sharp and vivid projections even in well-lit environments. It is designed with a versatile zoom lens and optical lens shift for effortless replacement of an existing projector. The durable Laser light source has an IP5X rated optical engine to prevent dust buildup and preserve longevity and high-quality images. The LK935 boasts enhanced contrast and impeccable color accuracy, making it a top choice for bright conference rooms and large venues.
Key Features & Specifications
- UHD 3840 x 2160 16:9
- 5,500 ANSI Lumens
- 3,000,000:1 Contrast
- 6.9kg Weight
- 40 / 33db(eco) Fan Noise
- 3 Year/20,000hr Warranty
- 3 Year/20,000hr LED Warranty
- Est. LED Life up to 20,000hrs
- 1.6x Motorised Zoom
- Horizontal & Vertical Keystone
- Vertical Lens Shift (+/-60%)
- Horizontal Lens Shift (+/-23%)
- 2x HDMI connections
- HDBaseT Compatible
- 360 degree tilt Horizontal & Vert.
- Powerful 10W Speaker
- 360° Installation
Throw Distance Chart
(Throw Ratio: 1.36 - 2.18:1)
Image Size | Installation Distance |
---|---|
92" (16:9) 2030x1140mm | From 2.8m to 4.4m |
100" (16:9) 2214x1245mm | From 3.0m to 4.8m |
110" (16:9) 2435x1370mm | From 3.4m to 5.3m |
120" (16:9) 2657x1494mm | From 3.6m to 5.7m |
135" (16:9) 2990x1681mm | From 4.1m to 6.5m |
150" (16:9) 3320x1867mm | From 4.5m to 7.2m |
LK935 5500 Lumen 4K Laser Conference Room Projector
Let Your Innovation Shine Through Accurate Color
- 4K UHD resolution offers exceptional detail when showing people, graphics, and data
- 21:9 aspect ratio and front row layout for optimal video conferencing display
- Versatile installation options: large lens shift, 1.6x zoom, and 3D keystone correction
- Robust IP5X protection and 20,000-hour laser light source lifespan eliminate lamp replacement

Create a Truly Engaging Meeting Experience
The BenQ LK935 4K laser projector delivers excellent performance during hybrid meetings with 5500 lumen brightness and high 4K resolution, even during video conference meetings that involve multiple split screens featuring people and presentation content.
4K UHD High Resolution: offers superior image quality compared to WUXGA
5500 Lumen High Brightness renders presentations with clarity even under bright ambient lighting conditions
21:9 aspect ratio provides an optimal display for video conferences
Video Conference Mode automatically optimizes the accuracy of skin tone depiction for a more immersive meeting experience
Wide 1.36-2.18 throw ratio allows for up to 200-inch display from 6 meters
Large lens shift and big 1.6X zoom make installation more flexible.
Display Clear Presentations for Professional Meetings
Elevate Video Conferences with 4K UHD Resolution
Enhance your video conferencing with the LK935 4K UHD projector for clearer, smoother virtual meetings. With four times the resolution of FHD, 4K UHD delivers sharper, more detailed images to maintain clarity even when displaying multiple screens simultaneously. Say goodbye to blurry video calls and hello to a new level of video conferencing excellence with 4K UHD resolution.
Present Clear and Sharp with High Contrast DLP
DLP technology delivers superior contrast, providing clearer detail against both light and dark backgrounds compared to 3LCD projectors.
Display with Clarity in Bright Environments
Give your presentations the brightness to look bold and clear even in bright environments, without getting washed out due to room lights. With BenQ LK935’s 5500 lumens and laser-driven high brightness, your presentations remain clear and visible even in bright ambient lighting conditions.
Enhance Virtual Meetings with Precise Colours
BenQ business projectors come with color modes designed to optimize meeting experiences. The LK935 has a picture mode tailored for video conferencing that adjusts skin tones for natural and immersive presentation, eliminating washed-out or unnatural-looking skin tones during video calls. Video Conference Mode
Display All Relevant Information at Once
Take advantage of the BenQ LK935’s wide throw ratio. Make use of a screen up to 200” wide from just 6 meters, so all the information you need displays at once and stands out clearly. Make collaboration and communication more efficient than ever, and great for both remote team meetings and multi-tasking, as the LK935 delivers clear and all-encompassing display to keep your audience engaged and focused.
Experience Natural Interaction with a 21:9 Aspect Ratio
Augment virtual meetings with a 21:9 wide screen display, bringing face-to-face communication to life on a wide screen. With Microsoft Teams Front Row layout support, you enjoy immersive and interactive video conferences like never before for increased productivity and engagement.
Flexible Installation Designed for Your Convenience
H/V Lens Shift for Mounting Flexibility
The LK935 has vertical/horizontal lens shift to move the image up and down up to 60% of the screen height and adjust horizontal position by 23% for off-axis mounting to exactly where you want without physically moving the projector.
1.6x Zoom for Easy Upgrades and Installation
With big 1.6x zoom, you can replace outdated projectors without repositioning existing ceiling mounts and easily fit your new LK935 projector into almost any space. You can mount the LK935 anywhere from 3.5 to 5.6 meters from the screen and project 120", avoiding costly renovation or installation downtime.
360° Rotation Projection
The LK935 can be tilted vertically to any angle for projection on ceilings, walls, floors, or angled signage, making presentations possible in corporate venues of any size.
3D Keystone for Ideal Projection Alignment
To counteract the trapezoid effect that occurs when a projector is installed off-center, the BenQ LK935 offers a three dimensional keystone correction range of up to ±40° on both the horizontal and vertical axes, which rotates the projected image clockwise or counterclockwise.
High System Integration & Compatibility
HDBaseT for Uncompressed Transmission and Control
HDBaseT connectivity combines video, audio, RS-232, and LAN control signals from multiple sources such as PCs, laptops, document cameras, and DVD/Blu-ray players on a single RJ-45 cable, ensuring seamless transmission from up to 100 meters away.
Third Party Network / Web Control
Compatible with leading projector control systems such as Extron, Crestron and PJ-Link for convenient system integration into corporate network infrastructures, the LK935 also supports RS-232 for reliable long distance installations of up to 15 meters.
BenQ DMS Local
BenQ DMS Local is a device information and management platform for use with Windows that remotely controls all your displays via LAN. DMS Local also supports Agent Mode, allowing you to integrate your DMS Local settings with DMS Cloud.
High Reliability with Low Maintenance
20,000-Hour Long Lasting Performance
The BenQ LK935 laser projector delivers outstanding image quality and performance for up to 20,000 hours, with the added benefit of low maintenance thanks to its laser light source. Enjoy peace of mind with the reliable and trouble-free LK935 projector, even during extended use and across multiple projection locations.
DustGuard™ Technology for Severe Conditions
Featuring DustGuard™ technology with sealed laser modules and enclosed light engines to protect optical components, the BenQ LK935 projector also passed the IP5X dust chamber test standard, which eliminates color wheel sensor failure and visible image spots due to debris, reducing service costs and downtime.
Filter-Free DLP Technology for Lasting Vibrant Colour
The BenQ LK935 laser projector features a single-chip DLP design. This chip is durable with a 20,000-hour lifetime, providing undegraded vivid colours and clear text. This reduces the total cost of ownership and eliminates the need for time consuming filter maintenance.
What's in the Box
- BenQ LK935 Projector
- Remote Control
- Power Cord
What you may need
- HDMI Cable
- Projector Screen
- Projector Mount
- Wireless Dongle
- HDBaseT Transmitter
- Protective Case
Projection System | |
Projection System | DLP |
Display | |
Brightness (ANSI lumens) | 5500 |
Native Resolution | 4K UHD (3840×2160) |
Native Aspect Ratio | 16:9 |
Contrast Ratio (FOFO) | 3,000,000:1 |
Display Color | 30-bit (1.07 billion colors) |
Light Source | Laser |
Light Source Life | a. Normal 20000 hrs |
Optical | |
Throw Ratio | 1.36~2.18 |
Zoom Ratio | 1.6x |
Lens | F/# =1.809 f= 8.6 ~ 9.4 |
Projection Offset (Full-Height) | 0% |
Keystone Adjustment | 3D, Vertical ± 30 degrees; Horizontal ± 30 degrees; Rotation ± 30 degrees |
Lens Shift Vertical | -60%~ +60% |
Lens Shift Horizontal | -23%~ +23% |
Picture | |
Rec. 709 Coverage | 92% |
Picture Modes | 3D, Bright, DICOM SIM, Golf, Infographic, Presentation, sRGB, User 1, User 2, Video, Video Conference |
Compatibility | |
Input Lag | 33.4 ms (1080P 60Hz) |
Resolution Support | VGA (640 x 480) to 4K UHD (3840 x 2160) |
Horizontal Frequency | 15K~135KHz |
Vertical Scan Rate | 23~240Hz |
I/O Interface | |
HDMI in | (x2), HDMI-1 (2.0b/HDCP2.2), HDMI-2 (2.0b/HDCP2.2) |
Display Port | (x1) |
LAN (RJ45) | (x1) |
HDBaseT (RJ45) | (x1), Video/Audio |
3D Sync in | (x1), VESA |
3D Sync Out | (x1), VESA |
USB Type A | (x1), USB Type A-1 (2.0/Power Supply2.0A) |
RS232 in (DB-9pin) | (x1) |
Wired Remote in (3.5mm Mini Jack) | (x1) |
Wired Remote out (3.5mm Mini Jack) | (x1) |
DC 12V Trigger (3.5mm Jack) | (x1) |
Audio | |
Speaker | (x1), 10W |
Audio out (3.5mm Mini Jack) | (x1) |
HDMI Audio Return | ARC, 5.1 channel |
Audio out (S/PDIF) | Multi-Channel, RAW |
Environment | |
Operating Temperature | 0~40℃ |
Power Supply | AC 100 to 240 V, 50/60 Hz |
Typical Power Consumption (110V) | 440W |
Stand-by Power Consumption | 0.5W |
Network Stand-by Power Consumption | <2W |
Acoustic Noise (Typ./Eco.)(dB) | 40/33 |
Accessories | |
Remote Control w/ Battery | RCA011 |
Power Cord (by region) | x1 (1.8M) |
Installation Guide | Yes |
Warranty Card (by region) | Yes |
Dimension & Weight | |
Dimensions (WxHxD) (mm) | 416x166x351 |
Net Weight (kg) | 6.93 |