BenQ LK835ST Projector

4K (4096x2400) · 4000 lumens · DLP · 0.69~0.83

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Resolution 4K (4096x2400)
Brightness 4000 lumens
Technology DLP
Throw ratio 0.69~0.83
Type Short throw

BenQ LK835ST Projector is a DLP projector with 4K (4096x2400) resolution and 4000 lumens of brightness. For a lit room, look for 3,000 lumens or more. It came out in 2024.

Released: 2024-11-28

Specifications

Key specs

Resolution: 4K (4096x2400)
Brightness: 4000 lumens
Technology: DLP
Throw ratio: 0.69~0.83
Type: Short throw
Released: 2024-11-28
Part number: 9H.JT577.13E
EAN / UPC: 4718755095436

Projector

Screen size compatibility: 1524 - 3048 mm (60 - 120")
Projector brightness: 4000 ANSI lumens
Projection technology: DLP
Projector native resolution: 4K (4096x2400)
Contrast ratio (typical): 3000000:1
Native aspect ratio: 16:9
Number of colours: 1.07 billion colours
Keystone correction, horizontal: -30 - 30°
Keystone correction, vertical: -30 - 30°

Light source

Light source type: Laser
Service life of light source: 20000 h
Service life of light source (economic mode): 30000 h

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Lens system

Focus: Motorized
Zoom capability: Yes
Throw ratio: 0.69~0.83
Offset: 102.5%

Video

Full HD: Yes
Supported graphics resolutions: 640 x 480 (VGA), 3840 x 2160
Supported video modes: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p

Ports & interfaces

HDMI version: 1.4a
DisplayPorts quantity: 1
Serial interface type: RS-232
PC Audio out: Yes
HDMI ports quantity: 2
AC (power) in: Yes

Network

Wi-Fi: Yes

Features

Noise level (economic mode): 28 dB
Noise level: 34 dB

Multimedia

Built-in speaker(s): Yes
RMS rated power: 10 W
Number of built-in speakers: 1

Design

Market positioning: Home cinema
Product type: Short throw projector
Product colour: Black
Cable lock slot: Yes
Cable lock slot type: Kensington

Power

Power source: AC
Power consumption (typical): 212 W
Power consumption (standby): 0.5 W
Power consumption (max): 320 W
Power consumption (economy mode): 136 W
AC input voltage: 100 - 240 V

Operational conditions

Operating temperature (T-T): 0 - 40 °C

Weight & dimensions

Width: 303.5 mm
Depth: 112.4 mm
Height: 234.5 mm
Weight: 3.4 kg

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About this product

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.

Datasheet (PDF)

LK835ST vs similar projectors

	BenQ LK835ST Projector	BenQ LH830ST Projector	BenQ LK830ST Projector	BenQ AK700ST Projector
Resolution	4K (4096x2400)	UHD 4K (3840x2160)	UHD 4K (3840x2160)	UHD 4K (3840x2160)
Brightness	4000 lumens	4000 lumens	4000 lumens	4000 lumens
Technology	DLP	DLP	DLP	DLP
Throw ratio	0.69~0.83	0.496	0.496	0.69-0.83
Type	Short throw	Short throw	Short throw	Short throw
Released	2024	2025	2025	2025