BenQHome cinema projector
BenQ LK830ST
BenQ LK830ST is a home cinema projector released in 2025. Key specs: resolution (on screen) 3840 × 2160 (4K UHD), 4k method 4K by pixel shifting, brightness (ANSI / ISO lumens) 4,000 lm, light source Laser.
8.8Score
Picture9.4
Setup & placement6.1
Noise, lifetime & portability6.4
price rangeUS$1,950–2,450Reference price converted from EUR
- Year
- 2025
- Brand
BenQ- Popularity
- #634 of 767
- Model numbers
- BenQ LK830ST
3840 × 2160 (4K UHD)Resolution (on screen)
4K by pixel shifting4K method
4,000 lmBrightness (ANSI / ISO lumens)
LaserLight source
0.5:1Throw ratio
15 WBuilt-in speakers (total output)
30 dBFan noise
3.4 kgWeight
Spec guide
How it ranks among home cinema projectors of 2025
Brightness (ANSI / ISO lumens) · 4,000 lmTop 14%
Built-in speakers (total output) · 15 WTop 34%
Fan noise · 30 dBBottom 43%
Weight · 3.4 kgBottom 36%
Compared with home cinema projectors released in 2025. Bars show the share of models it beats.
compared with other home cinema projectors
Why is LK830ST a good choice?
Brightness (ANSI / ISO lumens): 4,000 lmbetter than 72% of home cinema projectors
Maximum refresh rate: 240 Hzbetter than 89% of home cinema projectors
Specifications
Full specifications
Picture
- Native panel resolution
- 1920 × 1080 (Full HD)
- Brightness (ANSI / ISO lumens)
- 4,000 lm
- Contrast ratio (dynamic / claimed)
- 3,000,000:1
Gaming
- Maximum refresh rate
- 240 Hz
Lens & placement
- Throw ratio
- 0.5:1
- Throw type
- Short throw (0.4–1.0:1)
- Distance for a 100″ 16:9 image
- 1.11 m
- Smallest image size
- 70″
- Largest image size
- 300″
- Optical zoom
- 1.25×
- Lens shift
- None
- Autofocus
- Yes
- Keystone correction
- Yes
- Automatic keystone correction
- No
Sound
- Built-in speakers (total output)
- 15 W
Smart & streaming
- Wi-Fi
- Yes
Connectivity
- HDMI inputs
- 2
- USB port
- Yes
- Ethernet (LAN)
- Yes
- VGA input
- No
- Audio output
- Yes
Battery, power & lifetime
- Power consumption
- 250 W
- Light source life
- 20,000 h
Design & noise
- Fan noise
- 30 dB
- Fan noise (eco mode)
- 24 dB
- Weight
- 3.4 kg
- Colours
- Black
Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.
In collections
Projectors — Resolution (on screen): 3840 × 2160 (4K UHD) + fan noise up to 30 db108Projectors: HDMI inputs from 2 + fan noise up to 30 db110Projectors: Brightness (ANSI / ISO lumens) from 2,000 lm + fan noise up to 30 db116Projectors: Brightness (ANSI / ISO lumens) from 3,000 lm + maximum refresh rate from 120 hz118Projectors — 4K method: 4K by pixel shifting + Lens shift: None126Projectors: Brightness (ANSI / ISO lumens) from 3,000 lm + light source life from 20,000 h127Projectors — Light source: Laser + Lens shift: None128Projectors — Brightness (ANSI / ISO lumens) from 3,000 lm + Light source: Laser128
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