Viewsonic LSD400HD-ST Projector

1080p (1920x1080) · 4000 lumens · DLP · 0.5

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Resolution 1080p (1920x1080)
Brightness 4000 lumens
Technology DLP
Throw ratio 0.5
Type Standard throw

Viewsonic LSD400HD-ST Projector is a DLP projector with 1080p (1920x1080) resolution and 4000 lumens of brightness. For a lit room, look for 3,000 lumens or more. It came out in 2025.

Released: 2025-07-08

Specifications

Key specs

Resolution: 1080p (1920x1080)
Brightness: 4000 lumens
Technology: DLP
Throw ratio: 0.5
Type: Standard throw
Released: 2025-07-08
Part number: LSD400HD-ST
EAN / UPC: 0766907034301

Projector

Screen size (max): 7.62 m (300")
Screen size compatibility: 1016 - 7620 mm (40 - 300")
Projection distance: 0.44 - 3.29 m
Projector brightness: 4000 ANSI lumens
Projection technology: DLP
Projector native resolution: 1080p (1920x1080)
Contrast ratio (typical): 3000000:1
Number of colours: 1.07 billion colours
Keystone correction, horizontal: +-15°
Keystone correction, vertical: +-15°
Matrix size: 1.65 cm (0.65")
Matrix type: DMD
Horizontal synchronization (min): 15 kHz
Horizontal synchronization (max): 135 kHz
Vertical synchronization (min): 0.024 kHz
Vertical synchronization (max): 0.12 kHz

Light source

Light source type: Laser
Service life of light source: 20000 h
Service life of light source (economic mode): 30000 h
Light source brightness: 4800 lm

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Lens system

Focus: Manual
Fixed focal length: 7.51 mm
F-number (relative aperture): 2.8
Zoom capability: Yes
Zoom type: Manual
Digital zoom: 2x
Throw ratio: 0.5
Offset: 132%

Video

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

Ports & interfaces

HDMI connector type: Full-size
HDMI version: 2.0
USB 2.0 Type-A ports quantity: 1
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): 27 dB
HDCP: Yes
On Screen Display (OSD): Yes
On Screen Display (OSD) languages: Multi
HDCP version: 2.2
Noise level: 32 dB
International Protection (IP) code: IP6X

Multimedia

Built-in speaker(s): Yes
RMS rated power: 15 W

Design

Product type: Standard throw projector
Product colour: White
Cable lock slot: Yes

Power

Power source: AC
Power consumption (typical): 143 W
Power consumption (standby): 0.5 W
AC input voltage: 100 - 240 V
AC adapter output voltage: 19.5 V

Operational conditions

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

Weight & dimensions

Width: 286 mm
Depth: 216 mm
Height: 129 mm
Weight: 3.1 kg

Technical details

Image lag time: 16.7 ms

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About this product

The LSD400HD-ST is part of ViewSonic’s Luminous Superior Series, a lamp-free projector lineup designed for commercial and educational environments. Powered by 3rd-generation laser phosphor technology, it provides 4,000 ANSI Lumens of brightness and an impressive lifespan of up to 30,000 hours. Its lamp-free design ensures eco-friendliness and cost-efficiency by reducing up to 49% power consumption than competing lamp projectors. With a 0.5 short throw, it delivers a 100” image from just 1.1 meters, ideal for immersive visuals in space-constrained environments. Delivering ultra-large projections up to 300” in sharp 1080p Full HD resolution, this projector leverages high native contrast from a 0.65” DMD chip with DLP technology. Equipped with H/V keystone & 4 corner correction, and 360° projection, the LSD400HD-ST supports flexible installation options, making it an excellent choice for golf simulation setups, exhibitions, and retail applications.

User manual (PDF)

LSD400HD-ST vs similar projectors

	Viewsonic LSD400HD-ST Projector	BenQ LH820ST+ Projector	Viewsonic LSD400HD Projector	Viewsonic LSD401HD Projector
Resolution	1080p (1920x1080)	1080p (1920x1080)	1080p (1920x1080)	1080p (1920x1080)
Brightness	4000 lumens	4000 lumens	4000 lumens	4000 lumens
Technology	DLP	DLP	DLP	DLP
Throw ratio	0.5	0.497	1.48 - 1.62	1.13 - 1.47
Type	Standard throw	Standard throw	Standard throw	Standard throw
Released	2025	2023	2025	2025