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SKU
9H.JT577.13E

BenQ LK835ST Short throw projector 4000 ANSI lumens DLP 4K (4096x2400) Black

€3,270.51 €2,658.95
Available To Ship
4K 4000 ANSI Lumens Laser Installation Projector
  • 4000 ANSI Lumens Laser Light Source
  • Short Throw 0.69~0.83
  • Motorised Zoom & Focus
  • Auto Screen Fit
  • Auto 2D Keystone and Corner Fit
  • Mobile Wi-Fi Ready
  • Warping for Curve Screen
  • White Balance Adjustment in Factory
4K Clarity for Immersive Visuals and Detail-filled Experiences
Discover breathtaking clarity with 4K resolution, bringing intricate details and vibrant colours to life. LK835ST ensures precise alignment with its motorised zoom, 3D Keystone Correction, and curved screen warping, allowing for quick and easy setup. With the power of 4K resolution, it enhances the immersiveness of any content, making it perfect for educational, interactive, and entertainment setups.



Seamless Alignment and Sharp Focus from any Angle



Quick Focus
Remote, hot-key, or RS232 control snaps the picture into sharp focus in seconds.



Auto Screen Fit
Aligns the image to the screen in three guided steps, removing manual shift and keystone work.

*Note:

Auto Screen Fit supports 16:9, 16:10, 4:3, and 1:1 aspect ratios.
For non-standard aspect ratios, please view the video and adjust via graphic card settings.
Enclosure or screen border requires at least 2 inches of width.



20,000-Hour Lifespan with No Lamp Replacement
Guarantees up to 20,000 hours of maintenance-free operation, saving you money on lamp replacements and maintenance. Take advantage of the consistently impressive brightness for up to 30,000 hours under Eco Mode.



Projector
Number of colours1.07 billion colours
Projector native resolution4K (4096x2400)
Native aspect ratio16:9
Screen size compatibility1524 - 3048 mm (60 - 120")
Contrast ratio (typical)3000000:1
Zoom capabilityYes
Keystone correction, vertical-30 - 30°
Keystone correction, horizontal-30 - 30°
Projection technologyDLP
Projector brightness4000 ANSI lumens
Lamps
Light source typeLaser
Service life of light source20000 h
Service life of light source (economic mode)30000 h
Light source
Light source typeLaser
Service life of light source20000 h
Service life of light source (economic mode)30000 h
Lens system
Zoom capabilityYes
FocusMotorized
Throw ratio0.69~0.83
Offset102.5%
Video
Full HDYes
Supported video modes480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p
Supported graphics resolutions640 x 480 (VGA), 3840 x 2160
Audio
Built-in speaker(s)Yes
Number of built-in speakers1
RMS rated power10 W
Ports & interfaces
HDMI version1.4a
VGA (D-Sub) ports quantity0
HDMI ports quantity2
Composite video in0
DisplayPorts quantity1
Serial interface typeRS-232
PC Audio outYes
DVI portNo
Component video (YPbPr/YCbCr) in0
AC (power) inYes
Network
Ethernet LANNo
Wi-FiYes
Sound emission
Noise level34 dB
Noise level (economic mode)28 dB
Technical details
Product colourBlack
Performance
Market positioningHome cinema
Noise level34 dB
Noise level (economic mode)28 dB
Features
Noise level34 dB
Noise level (economic mode)28 dB
Multimedia
Built-in speaker(s)Yes
Number of built-in speakers1
RMS rated power10 W
Design
Market positioningHome cinema
Product typeShort throw projector
Cable lock slot typeKensington
Product colourBlack
Cable lock slotYes
Power
AC input voltage100 - 240 V
Power consumption (max)320 W
Power sourceAC
Power consumption (typical)212 W
Power consumption (standby)0.5 W
Power consumption (economy mode)136 W
Security
Cable lock slot typeKensington
Cable lock slotYes
Operational conditions
Operating temperature (T-T)0 - 40 °C
Weight & dimensions
Weight3.4 kg
Width303.5 mm
Depth112.4 mm
Height234.5 mm
Packaging content
Remote control includedYes
Cables includedAC
Other features
Power consumption (economy mode)136 W

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SKU
9H.JT577.13E
V11HB07040
V11H740041
V11HB27040
W9PD7JF01VZ1
LSC731WU
Manufacturer
Benq
Epson
Epson
Epson
Optoma
Viewsonic
Contrast ratio (typical)
N/A
N/A
300:1
N/A
100000:1
N/A
Weight
3000g to 4000g
6000g to 8000g
4000g to 6000g
N/A
6000g to 8000g
6000g to 8000g
Projection technology
DLP
3LCD
3LCD
3LCD
DLP
3LCD
Projector brightness
Over 4000 ansi Lumens
3 - 4000 Lumens
3 - 4000 Lumens
Over 4000 ansi Lumens
Over 4000 ansi Lumens
Over 4000 ansi Lumens
Noise level
30dB to 40dB
30dB to 40dB
N/A
30dB to 40dB
30dB to 40dB
30dB to 40dB
DVI port
N
N
N
N
N/A
N/A
VGA (D-Sub) ports quantity
0
0
3
0
1
1
Component video (YPbPr/YCbCr) in
up to 1
up to 1
up to 1
N/A
N/A
N/A
HDMI ports quantity
2
2
3
3
2
2
Native aspect ratio
16:9
16:9
16:10
16:10
16:10
16:10
Projector native resolution
4K (4096x2400)
4K (4096x2400)
WXGA (1280x800)
WUXGA (1920x1200)
WUXGA (1920x1200)
WUXGA (1920x1200)
Product type
Short throw projector
N/A
Ultra short throw projector
N/A
Ultra short throw projector
Standard throw projector
Light source type
Laser
Laser
Lamp
Laser
Laser
Lamp