Optoma ZH451

Brand	Optoma · DuraCore laser
Type	Business
Resolution	1080p
Imaging technology	DLP
Light source	Laser (phosphor)
Brightness	4,600 lm ISO
Throw ratio	1.4–2.24:1
Input lag	1080p: 60 Hz 17 ms · 120 Hz 8.6 ms · 4K UHD: 60 Hz 16.9 ms

A compact 1080p single-chip DLP laser projector rated at 4,600 ISO lumens, aimed at meeting rooms and corporate spaces. It has a manual 1.6x zoom lens, two HDMI 2.0 inputs plus VGA, RJ45, RS232 and 12V trigger control, an external power supply, a 15 W mono speaker and a rated 30,000-hour laser source.

Data sheet

Picture

White light output	4,600 lm ISO
Brightness uniformity	75%
Imaging technology	DLP
Native resolution	1080p (1920 × 1080)
Native aspect	16:9Derived
Dynamic contrast	3,000,000:1
Colour bit depth (per channel)	10 bit
3D	Yes
3D formats	Frame packing, Side-by-side, Top-bottom
3D glasses sync	DLP-Link

Light source

Light source	Laser (phosphor)
Light-source life	30,000 h
Light output control	Steps

Optics

Throw ratio	1.4–2.24:1100″ · 3.10–4.96 m
Image size	30–300 in
Projection offset	116%
Zoom	Optical
Zoom ratio	1.6×Derived
Focal length	20.91–32.62 mm
Aperture (f-number)	2.5–3.26
Focus	Manual
Autofocus	No
Vertical keystone	30°
Horizontal keystone	30°
Corner correction	4-corner

Motion & gaming

Input lag

1080p: 60 Hz 17 ms · 120 Hz 8.6 ms · 4K UHD: 60 Hz 16.9 ms

Low Latency Mode on; keystone and four-corner correction are disabled in that mode

Inputs & control

HDMI inputs	2 × HDMI 2.0
Other video inputs	VGA
Max input resolution	4K UHD
Audio inputs	3.5 mm
Control ports	RS-232, 12 V trigger
PJLink	Class 2
Control-system drivers	Crestron, AMX

Smart platform

Ethernet

Yes

Audio

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

Physical & installation

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

Environment & power

Operating temperature	0–40°C
Operating humidity	0–80%RH
Altitude	2,500 m · high-altitude mode
Power draw	Max 170 W · Eco 120 W
Standby	Up to 0.5 W Power Mode (Standby) set to Eco	Power Mode (Standby) set to Eco
Power supply	External adapter
Mains input	100–240 V · 50/60 Hz
Fan noise	Max 31 dB(A) · Eco 29 dB(A)

Safety & support

Laser class	Class 1
Risk group	RG2
Marks	FCC
User manual	region-resource.optoma.com

In the box

Power cord, Remote, Remote batteries, User manual

Similar models

Model	Resolution	Tech	Lumens	Price
Epson Pro EX11000 1080p · 3LCD	1080p	3LCD	4,600	$1,299	Compare
Epson PowerLite L265F 1080p · 3LCD	1080p	3LCD	4,600	$1,299	Compare
InFocus ScreenPlay Vista SP2234 1024 × 768 · DLP	1024 × 768	DLP	4,600*	$504.51	Compare
Optoma ZH401e 1080p · DLP	1080p	DLP	4,600	$899	Compare
ViewSonic PA700S 800 × 600 · DLP	800 × 600	DLP	4,500 −100	$349	Compare
Optoma ZK451 4K UHD · DLP	4K UHD	DLP	4,500 −100	—	Compare

Other

Tools

Throw calculator — How far from the screen the ZH451 needs to sit for a given image size, set to its 1.4–2.24:1 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	🇺🇸 US	UPC	796435448622
Standard, US	🇺🇸 US	MPN	ZH451