BenQ - LK990 - 4K HDR Installation Laser Projector

4K HDR Installation Laser Projector with 6000 Lumens | LK990

Ultra-Accurate 4K HDR BlueCore Laser Projection for Enjoying Superb Entertainment Content
With the capability of generating intense BlueCore laser-powered brightness for 20,000 hours of maintenance-free operation, BenQ's LK990 harnesses the enduring DLP picture quality, razor-sharp 4K resolution and IP6X level protection against dust to deliver impactful visual communication. LK990 is ideal for a wide range application scenarios such as sports bar, private guesthouses, or simulated exhibitions. With the IP6X-certified dustproof capabilities and a high luminence, LK990 can resist dust in outdoor environments while being used for outdoor cinema. By leveraging the innovative HDR technology and industry-leading light source, LK990 facilitates impactful and impressive visual display, allowing entertainment venues, outdoor environment or sports bars to provide the most authentic and delicate audiovisual enjoyment.



Projection System‎

DLP Single 0.67" 4K

DMD type

DC3 DMD Chip


4K UHD (3840 x 2160)


6000 ANSI Lumens

Contrast Ratio‎*


Display Color‎

1.07 Billion Colors

Aspect Ratio

Native 16:9 (8 aspect ratio selectable)

Light Source


Light Source Life‎*

20000 hrs


Throw Ratio


Zoom Ratio


Lens Control

Manual Zoom Focus

Lens Shift

V: ±60 %; H: ±25 %


Projection Size

30" ~ 300"



Security Bar


4K UHD, HDR, 3D, Projector/ Remote Control ID Setting, Auto High Altitude Mode, HDBaseT, LAN Control, 360∘Projection, 4K Upscaling, True Zoom. 24/7 Hours Operating. IP6X Dust Proof Engine. Liquid Cooling System.


Resolution Support

VGA(640 x 480) to 4K (3840 x 2160)

Horizontal Frequency


Vertical Scan Rate

23 ~ 120 Hz

HDTV Compatibility

SDTV(480i/576i), EDTV (480p/576p, HDTV (720p, 1080i 60/50, 1080P 50/60/30/25/24, 3840x2160p 60/50/30/25/24)

Video Compatibility



Power Consumption(Max/Normal/Eco)

Max 745W/ Normal 655W/ Eco 470W.

Standby Power Consumption

Normal < 0.5W, Network < 2W.

Power Supply

100 ~ 240V AC

Dimension and Weight

Product Dimensions (WxHxD)

470.7x 224.9 x 564.7 mm

Product Weight


Operation Condition

Noise Level (Normal/Eco)

37 /34 dBA

Operating Temperature

0 ~ 40 C


Accessories (Standard)

Power Cord
Remote Control
AAA Batteryx2
Cable Tie Setx2
Rubber Cap
Installation Guide
Regulatory Statement

Accessories (Optional)

Ceiling Mount (5J.JFY10.001)


I/O Port

LAN Port (RJ45 for Network control) x1
HDBaseT (4K, HDCP 2.2 for audio/video, RS232, and IR remote control) x1
Wired Remote In x1
Audio out (mini jack) x1
Monitor out (D-sub 15pin,Female) x1
PC In (D-sub 15pin, Female) x1
HDMI 1 (4K, HDMI 2.0 & HDCP 2.2) x1
HDMI 2 (HDMI 1.4 & HDCP 1.4) x1
HDMI 3 (HDMI 1.4 & HDCP 1.4) x1
HDMI Out x1
12V Trigger x1
USB Mini-B (Service) x1
USB Type-A (2A power) x1
RS232 In (D-sub 9pin, male) x1
IR Receiver(Front) x1
IR Receiver(Rear) x1


On Screen Display Language

Arabic/ Bulgarian/ Croatian/ Czech/ Danish/ Dutch/ English/ Finnish/ French/ German/ Greek/ Hindi/ Hungarian/ Italian/ Indonesian/ Japanese/ Korean/ Norwegian /Persian/ Polish/ Portuguese/ Romanian/ Russian/ Simplified Chinese/ Spanish/ Swedish/ Turkish/ Thai/ Traditional Chinese/ Vietnam (30 languages) ‎