InFocus INL4128

Brand	InFocus · Quantum Laser Advanced
Type	Installation
Status	Discontinued
Resolution	1080p
Imaging technology	DLP
Light source type	Laser (phosphor)
Claimed brightness (non-standard)	5,600
Throw ratio	1.4–2.24:1

A single-chip 0.65-inch DLP laser-phosphor projector with 1920x1080 resolution, rated at 5600 lumens by the maker, with a 1.6x manual zoom lens, vertical lens shift, HDBaseT, LAN, RS-232 and dual HDMI. InFocus markets it for large venues, education, houses of worship and fixed installations; it is the 1080p model of the Advanced series, and the INL4129 is its WUXGA sibling.

Data sheet

Picture

Imaging technology	DLP
Technology brand	DLP
Number of imaging devices	1
Chip / panel diagonal	0.65 in
Native aspect ratio	16:9
Native resolution	1920 × 1080
Optical system description	Laser phosphor illumination with blue laser diodes feeding a single TI DLP digital micromirror device
Dynamic contrast	2,000,000:1
Gamma / EOTF presets	2.2, 2.4, 2.6
Colour management system	6-axis
Max refresh rate	1920×1080: 120 Hz
3D support	Yes
3D sync method	DLP-Link
3D formats	Side-by-side, Top-bottom, Frame sequential

Optics

Throw ratio	1.4–2.24:1
Projection distance table	20″: 0.62–0.99 m · 40″: 1.24–1.98 m · 60″: 1.86–2.98 m · 80″: 2.48–3.97 m · 100″: 3.1–4.96 m · 120″: 3.72–5.95 m · 150″: 4.65–7.44 m · 200″: 6.2–9.92 m · 250″: 7.75–12.4 m · 300″: 9.3–14.88 m
Zoom type	Optical
Zoom ratio	1.6×
Focus	Manual
Vertical lens shift	103–118%
Motorized lens shift	No
Focal length	20.91–32.62 mm
Interchangeable lens	No
Image size range	20–300 in
Vertical keystone	-30–30°
Horizontal keystone	-30–30°
Corner / warp correction	4pt

Light source

Light source type	Laser (phosphor)
Light source detail	Blue laser diodes with phosphor (Quantum Laser)
Light source life	Maximum: 30,000 h
Light-source dimming	Manual steps
Claimed brightness (non-standard)	5,600
Claimed brightness unit	Unspecified
Brightness uniformity (centre-to-corner)	85%

Audio

Speaker power	10 W
Speaker count	1
Audio channels	Mono
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; HDMI 2: HDMI 1.4
Horizontal scan frequency	15.4–91.1 kHz
Vertical scan frequency	24–120 Hz
HDBaseT	Yes
VGA input	Yes
USB media playback	No
RS-232	Yes
LAN control	Yes
12 V trigger	No
Ethernet	Yes
Auto keystone	Yes

Environment & power

Operating temperature	5–40°C
Operating humidity	10–85%RH
Altitude / high-altitude mode	3,048 m
High-altitude mode	Yes
Operating orientations	Table, Ceiling, Rear
Rated voltage	100–240 V
Rated frequency	50–60 Hz
Power consumption (max)	341 W
Power consumption by mode	Maximum: 341 W · Minimum: 190 W
Standby power	0.5 W
Networked standby power	2 W
Fan noise (sound pressure)	Minimum: 28 dB(A) · Maximum: 30 dB(A)

Physical & installation

Width	374 mm
Depth	302 mm
Height	117 mm
Weight	5.5 kg
Ingress protection	IP5X
Air filter	None

Support & ownership

Warranty	🇼🇼 WW 5 yr or 20,000 h Global InFocus limited warranty (Maxnerva), effective for purchases from 1 October 2023; no region is named in the English text.
Light-source warranty	Five years or 20,000 hours, whichever comes first, under the laser-projector warranty
User manual	https://cdn.infocus.com/2023/07/UM_INL4128-INL4129-English.pdf
Photobiological risk group	RG2
Safety & market certifications	CE, FCC, CCC

In the box

Box contents	Projector, Remote, Power cord, Vga cable, Quick start guide, Lens cap
Remote type	IR

Tools

Throw calculator — How far from the screen the INL4128 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.