BenQ LK830ST Projector

UHD 4K (3840x2160) · 4000 lumens · DLP · 0.496

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Resolution UHD 4K (3840x2160)
Brightness 4000 lumens
Technology DLP
Throw ratio 0.496
Type Short throw

BenQ LK830ST Projector is a DLP projector with UHD 4K (3840x2160) resolution and 4000 lumens of brightness. For a lit room, look for 3,000 lumens or more. It came out in 2025.

Released: 2025-07-31

Specifications

Key specs

Resolution: UHD 4K (3840x2160)
Brightness: 4000 lumens
Technology: DLP
Throw ratio: 0.496
Type: Short throw
Released: 2025-07-31
Part number: 9H.JT977.75E
EAN / UPC: 4718755096273

Projector

Projector brightness: 4000 ANSI lumens
Projection technology: DLP
Projector native resolution: UHD 4K (3840x2160)
Contrast ratio (typical): 3000000:1
Native aspect ratio: 16:9
Number of colours: 1.07 billion colours
Horizontal scan range: 15 - 135 kHz
Vertical scan range: 23 - 240 Hz
Keystone correction, horizontal: 30°
Keystone correction, vertical: 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

Zoom capability: Yes
Zoom type: Fixed
Throw ratio: 0.496
Offset: 114%

Video

Full HD: Yes
3D: Yes

Ports & interfaces

USB 2.0 Type-A ports quantity: 2
Serial interface type: RS-232
PC Audio out: Yes
HDMI ports quantity: 2

Network

Ethernet LAN: Yes
Ethernet LAN (RJ-45) ports: 1

Features

Noise level (economic mode): 24 dB
Noise level: 30 dB
International Protection (IP) code: IP6X

Multimedia

Built-in speaker(s): Yes
RMS rated power: 15 W
Number of built-in speakers: 1

Design

Market positioning: Business
Product type: Short throw projector
Product colour: Black
Placement: Ceiling, Desktop

Power

Power source: AC
Power consumption (typical): 230 W
Power consumption (standby): 0.5 W
AC input voltage: 100 - 240 V
AC input frequency: 50/60 Hz

Operational conditions

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

Weight & dimensions

Width: 279.2 mm
Depth: 229.3 mm
Height: 120.5 mm
Weight: 3.6 kg

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About this product

Installer Ready Optimised for Multi-Projector Projects from Fast Setup to Long Term Performance Blending Ready Mode One-click preset for multi-projector blending to minimise setup effort Brilliant Visuals with Stable Colour and Performance The LK830ST delivers brilliant image clarity and stable performance across every detail—from vivid Rec.709 colour and high contrast to 4000-lumen brightness (ANSI) and 20,000-hour laser life. BenQ WBA for Seamless Multi-Projector White Calibration BenQ’s factory white balance adjustment (WBA) reduce variables between images projected from different projectors, significantly reducing manual calibration effort. It can save up to a full day of setup time in large-scale installations while ensuring seamless multi-projector alignment for edge blending.

LK830ST vs similar projectors

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