Optoma 4K400x

Brand	Optoma
Type	Education
Resolution	4K UHD (1080p pixel shift)
HDR formats	HDR10, HLG
Imaging technology	DLP
Light source type	Lamp
Claimed brightness (non-standard)	4,000
Throw ratio	1.5–1.66:1
Input lag (rated)	3840×2160 @ 60 Hz: 16.7 ms · 1920×1080 @ 60 Hz: 16.7 ms · 1920×1080 @ 120 Hz: 8.9 ms · 1920×1080 @ 240 Hz: 4.5 ms

A single-chip DLP lamp projector with a 0.47-inch DMD and a 3840x2160 addressable image, rated 4,000 lumens. It has a manual 1.1x zoom lens, two HDMI 2.0 inputs, a 10 W speaker and a 1080p 240Hz game mode, and Optoma markets it for classrooms and meeting spaces.

Data sheet

Picture

Imaging technology	DLP
Technology brand	DLP
Chip / panel diagonal	0.47 in
Native aspect ratio	16:9
Native resolution	1920 × 1080
Addressable resolution	3840 × 2160
Dynamic contrast	1,000,000:1
Colour temperature presets	D55, D65, D93, Native
Gamma / EOTF presets	2.2, 2.4
Colour management system	6-axis
HDR formats	HDR10, HLG
Tone mapping type	Adjustable
Max refresh rate	1920×1080: 240 Hz
Input lag (rated)	3840×2160 @ 60 Hz: 16.7 ms · 1920×1080 @ 60 Hz: 16.7 ms · 1920×1080 @ 120 Hz: 8.9 ms · 1920×1080 @ 240 Hz: 4.5 ms
3D support	Yes
3D formats	Frame packing

Optics

Throw ratio	1.5–1.66:1
Projection distance table	30″: 1–1.1 m · 40″: 1.33–1.46 m · 60″: 1.99–2.19 m · 80″: 2.66–2.92 m · 100″: 3.32–3.65 m · 120″: 3.98–4.38 m · 150″: 4.98–5.48 m · 200″: 6.64–7.31 m · 250″: 8.3–9.13 m
Zoom type	Optical
Zoom ratio	1.1×
Focus	Manual
Fixed offset	105%
Focal length	15.84–17.42 mm
F-number	1.98–2.02
Image size range	33–300 in
Vertical keystone	-40–40°
Horizontal keystone	-40–40°
Corner / warp correction	Warp

Light source

Light source type	Lamp
Lamp wattage	240 W
Light source life	Bright: 4,000 h · Dynamic: 15,000 h · Eco: 10,000 h
Cool-down time	90 s
Light-source dimming	Dynamic frame
Claimed brightness (non-standard)	4,000
Claimed brightness unit	Unspecified
Brightness uniformity (centre-to-corner)	80%

Audio

Speaker power	10 W
Speaker count	1
Audio outputs	3.5 mm

Inputs, control & connectivity

Max input signal	4096 × 2160
HDMI port count	2
HDMI ports (feature-level)	HDMI 1: HDMI 2.0, HDCP 2.2; HDMI 2: HDMI 2.0, HDCP 2.2
Horizontal scan frequency	31–135 kHz
Vertical scan frequency	24–120 Hz
RS-232	Yes
12 V trigger	Yes

Environment & power

Operating temperature	5–40°C
Operating humidity	10–85%RH
Altitude / high-altitude mode	3,000 m
High-altitude mode	Yes
Operating orientations	Table, Ceiling, Rear
Rated voltage	100–240 V
Rated frequency	50–60 Hz
Power consumption (max)	305 W
Power consumption by mode	Min: 220 W · Max: 305 W
Standby power	0.5 W
Fan noise (sound pressure)	Typical: 26 dB(A) · Max: 28 dB(A)

Physical & installation

Width	315 mm
Depth	270 mm
Height	115 mm
Weight	4.2 kg

Support & ownership

User manual	https://region-resource.optoma.com/products/import/Documents/13cdc4ab-4017-4930-a4fd-d023d407c4fe.pdf
Photobiological risk group	RG2
Safety & market certifications	FCC

In the box

Box contents	Power cord, Remote, Batteries, User manual
Remote type	Backlit

Tools

Throw calculator — How far from the screen the 4K400x needs to sit for a given image size, set to its 1.5–1.66:1 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.