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From BenQ — Enjoy UHD 4K resolution with compatible content in nearly any environment with the BenQ LK990 4K UHD Laser DLP projector. Its 6,000 lumens of brightness overcomes ambient light in many situations, while its 3,000,000:1 dynamic contrast ratio helps keep images and text clear and distinct. Its 1.38 to 2.02 throw ratio and 1.47x zoom provide a range of installation options.

  • Precision-aligned high output laser
  • Secondary yellow-infused color wheel
  • 3,000,000:1 dynamic contrast ratio
  • 4K UHD image quality for flawless presentation with subtle details
  • Superb image details and color integrity from DLP technology
  • Hyper-realistic video quality empowered by HDR10 technology
  • Optimize image quality with 4K Image Amplifying technology
  • Digital HDMI output for multi-screen projection

BenQ LK990 Projector Specifications

Street Price
Best Used For
1 Year
User Reviews
Review this Projector

Switch to Metric
6,000 Lumens (ANSI)1
Aspect Ratio
16:9 (4K HD)
Display Type
0.67" DLP x 1
Color Wheel
4 segments
Color Processing
Video Modes
720p, 1080i, 1080p/60, 1080p/24, 1080p/25, 1080p/30, 1080p/50, 2160p/24, 2160p/60, 576i, 576p, 480p, 480i
Data Modes
MAX 3840x2160
3D Modes
Full HD 3D

Lamp Type
Laser Phosphor
Lamp Life
20,000 hours

Included Lens
1.47x manual zoom , manual focus
Optional Lenses
Lens Shift
Horizontal +/-25% & Vertical +/-60%
Throw Distance
4.4' - 30.1'  Calculate Throw Distance
Image Size
30.00" - 300.00"
Throw Ratio
1.38:1 - 2.02:1
Projector Placement
For a
diagonal screen, place the projector lens between 10'-0" and 14'-8" from the screen.
Digital Zoom
Digital Keystone

Projector Size
8.90" x 18.50" x 22.20"
44.5 lbs
Audible Noise
37 dB  / 34 dB
Internal Speakers
690 Watts 100V - 240V
Connection Panel
12-Volt Trigger
Audio Out: Mini Jack
HDBaseT: RJ-45
HDMI x 3
Network: RJ-45
RS232: DB-9pin
USB x 2
VGA In: Dsub-15pin
VGA Out: Dsub-15pin

Anamorphic Ready
Full HD 3D
Anamorphic 4k

Compare to the Competition


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  • Resolution: 3840x2160 DLP
  • Brightness: 7000 Lumens (ANSI)
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  • Throw Distance: 11'-1" — 17'-10"
  • at Image Size: 100 "
Mar 2023 Model
Norxe P60 4K
  • Resolution: 4096x2160 DLP
  • Brightness: 6100 Lumens (ANSI)
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Jan 2024 Model

ANSI LUMENS  is the most commonly accepted industry standard brightness measurement. The ANSI lumen rating measures the brightest white that a projector can produce by averaging nine light meter measurements taken across the projected image.

Manufacturer Cited Brightness:

BUYER BEWARE   Either this projector's brightness specification does not cite an industry-accepted unit of measurement, or according to our calculations it seems unlikely that this projector is capable of producing the manufacturer's cited brightness specification.

Manufacturer Cited Brightness: