Optoma ZH400ST

Brand	Optoma · Business and education
Type	Business
Released	June 2023
Resolution	1080p
HDR formats	HDR10, HLG
Imaging technology	DLP
Light source	Laser (phosphor)
Claimed brightness (non-standard)	4,000 lm
Throw ratio	0.5:1
Input lag	1080p: 60 Hz 33.8 ms · 120 Hz 17 ms

A fixed-lens short-throw DLP laser projector with a 1920x1080 chip, rated at 4,000 lumens. It throws a 100-inch image from about 1.1 m at a 0.496:1 ratio and has two HDMI 2.0 inputs, RJ45 and RS232 control, a 15 W speaker and a 30,000-hour laser. It suits classrooms and meeting rooms.

Data sheet

Picture

Claimed brightness (non-standard)	4,000 lm
Brightness uniformity	75%
Imaging technology	DLP
Chip / panel diagonal	0.65 in
Native resolution	1080p (1920 × 1080)
Native aspect	16:9Derived
Dynamic contrast	2,000,000:1
Colour bit depth (per channel)	10 bit
HDR formats	HDR10, HLG
3D	Yes
3D glasses sync	DLP-Link

Light source

Light source	Laser (phosphor)
Emitter	Blue laser + phosphor
Light engine	DuraCore
Light-source life	30,000 h

Optics

Throw ratio	0.5:1100″ · 1.10 m
Image size	36–292 in
Projection offset	116%
Zoom	None
Focal length	7.51 mm
Aperture (f-number)	2.8
Vertical lens shift	None
Horizontal lens shift	None
Vertical keystone	30°
Horizontal keystone	30°

Motion & gaming

Input lag

1080p: 60 Hz 33.8 ms · 120 Hz 17 ms

Gaming Mode off, per the family manual's input-lag table, which lists the same figures

Inputs & control

HDMI inputs	2 × HDMI 2.0
Control ports	RS-232
PJLink	Class 1
Control-system drivers	Crestron, AMX

Smart platform

Ethernet

Yes

Audio

Speaker power	15 W
Speakers	1
Audio outputs	3.5 mm
HDMI audio return	NoneDerived

Physical & installation

Dimensions (W × D × H)	274 × 216 × 114 mm
Weight	2,998 g
Orientations	Portrait, 360°
Ceiling mount	M4, screws ≥ 10 mm
Ingress protection	IP6X

Environment & power

Operating temperature	0–40°C
Altitude	2,500 m
Power draw	Max 173 W · Eco 119 W
Standby	Up to 0.5 WPreliminary
Power supply	External adapter
Mains input	100–240 V · 50/60 Hz
Fan noise	Max 36 dB(A)

Safety & support

Laser class	Class 1
Risk group	RG2
FDA laser notice	Notice 57
Warranty	🇺🇸 US 3 yr (light source 5 yr or 12,000 h)
User manual	region-resource.optoma.com

In the box

Power cord, Remote, Remote batteries, Quick start guide

Similar models

Model	Resolution	Tech	Lumens	Price
Christie LW401 WXGA · 3LCD	WXGA	3LCD	4,000	$1,699.99 −$899	Compare
NEC NP-M403H 1080p · DLP	1080p	DLP	4,000	$2,599	Compare
NEC NP-P401W WXGA · 3LCD	WXGA	3LCD	4,000	$1,799 −$800	Compare
Optoma EH412ST 1080p · DLP	1080p	DLP	4,000	$930 −$1,669	Compare
BenQ MW560 WXGA · DLP	WXGA	DLP	4,000	$499 −$2,100	Compare
BenQ MX731 1024 × 768 · DLP	1024 × 768	DLP	4,000	$599 −$2,000	Compare

Other

Tools

Throw calculator — How far from the screen the ZH400ST needs to sit for a given image size, set to its 0.496:1 lens.
Download spec as CSV — Every value on this data sheet with its unit and source, one row per spec.
Download spec as JSON — The same data from the open data API, with variants and identifiers.

Variants & identifiers

Use these to confirm a listing is this exact model. Any of them works at /p/{code}.

Variant	Region	Type	Code
Standard	🇺🇸 US	UPC	796435447137
Standard	🇺🇸 US	MPN	ZH400ST