Front view of InFocus INL4128 DLP projector showing Quantum Laser branding and high-precision lens

Cutting-Edge Laser Technology in a Sleek White Design

The InFocus INL4128 DLP projector showcases advanced laser technology in an elegant white housing. The front-facing design features the Quantum Laser branding and precision-engineered lens system, highlighting both form and function in this professional installation projector.

Technical Specifications

  • Full HD 1920x1080 native resolution with 4K support
  • 5600 lumens brightness for clear visibility
  • Laser light source with 30,000 hour lifetime

Applications

  • Corporate boardroom presentations
  • Large venue installations
  • Educational institution lecture halls
Front angle view of InFocus INL4128 showing lens system and focus controls

Crystal-Clear Optics with Precision Focus Control

The front profile emphasizes the advanced lens system with its precision focus mechanism. The clean lines and professional aesthetic make this projector equally at home in modern office environments or traditional educational settings.

Technical Specifications

  • 1.6x optical zoom lens for flexible installation
  • High contrast ratio of 2,000,000:1
  • HDR support for enhanced image quality

Applications

  • Museum installations
  • House of worship presentations
  • Professional training facilities
Side view of InFocus INL4128 showing ventilation system

Advanced Thermal Management System

The sophisticated ventilation system ensures optimal performance during extended operation. The IP5X-rated dust-resistant design maintains reliable operation in challenging environments.

Technical Specifications

  • IP5X dust resistance rating
  • 24/7 continuous operation capability
  • Advanced cooling system design

Applications

  • Digital signage applications
  • Control room monitoring
  • Extended runtime installations
Rear view of InFocus INL4128 displaying ventilation system

Efficient Cooling Design for Extended Operation

The comprehensive ventilation system enables reliable 24/7 operation. Strategic placement of cooling vents maintains optimal operating temperatures for the laser light source and critical components.

Technical Specifications

  • Optimized airflow design
  • Low-noise operation
  • Temperature-controlled fan system

Applications

  • Mission-critical installations
  • Always-on digital displays
  • High-ambient temperature environments
Rear panel of InFocus INL4128 showing all connection ports

Comprehensive Connectivity Options

The rear panel offers extensive input options including dual HDMI 2.0, HDBaseT, VGA, and audio connections. Network management capabilities enable remote control and monitoring.

Technical Specifications

  • Dual HDMI 2.0 with HDCP 2.2
  • HDBaseT for extended connectivity
  • Network control via RJ-45

Applications

  • Complex AV installations
  • Network-managed environments
  • Multi-source presentations
Top view of InFocus INL4128 showing control panel and focus/zoom adjustments

Intuitive Top-Panel Controls

Easy-access top panel controls provide quick adjustments to focus and zoom. The integrated control panel enables operation even without the remote control.

Technical Specifications

  • Direct access focus controls
  • Precision zoom adjustment
  • On-device menu navigation

Applications

  • Quick setup environments
  • Temporary installations
  • Multi-user facilities
Angled view of InFocus INL4128 showing installation features

Optimized Installation Flexibility

The angular design and mounting points enable versatile installation options. Support for 360-degree operation allows creative mounting solutions for any venue.

Technical Specifications

  • 360-degree installation capability
  • Portrait and landscape modes
  • Ceiling mount compatibility

Applications

  • Creative digital installations
  • Retail displays
  • Museum exhibits
Side profile view of InFocus INL4128 showing compact design

Compact Performance Design

The streamlined form factor combines powerful performance with space-efficient design. The robust construction ensures reliability in permanent installations.

Technical Specifications

  • Space-efficient 14.7" x 11.9" footprint
  • Durable white chassis construction
  • Integrated mounting points

Applications

  • Space-constrained installations
  • Mobile presentation solutions
  • Fixed mount applications

Product details

General Information
Manufacturer

InFocus Corporation

Manufacturer Part Number

INL4128

Brand Name

InFocus

Product Line

Advanced

Product Model

INL4128

Product Name

Advanced INL4128 DLP Projector

Product Type

DLP Projector

Technical Information
Projection Method

Front
Ceiling

3D Type

3D Ready

Interactive

No

High Dynamic Range (HDR)

Yes

Projection Lens
Minimum Focal Length

20.91 mm

Maximum Focal Length

32.62 mm

Maximum Diagonal Image Size

25.69 ft

Optical Zoom

1.6x

Lamp
Number of Lamps

1

Lamp Type

Laser

Normal Mode Lamp Life

30000 Hour

Image
Standard Mode Brightness

5600 lm

Native Resolution

1920 x 1080

Graphic Mode

Full HD

Maximum Resolution

4096 x 2160

Native Aspect Ratio

16:9

Contrast Ratio

2,000,000:1

Video
Video Signal Standard

HDTV

Output Scan Format

1080p

Audio
Speaker Included

Yes

Network & Communication
Wireless LAN

No

Interfaces/Ports
HDMI

Yes

DVI

No

USB

Yes

Network (RJ-45)

Yes

S-Video

Yes

Power Description
Operating Power Consumption

341 W

Physical Characteristics
Form Factor

Ceiling Mountable

Height

4.6

Width

14.7

Depth

11.9

Weight (Approximate)

12.13 lb

Miscellaneous
Application/Usage

Class Room
Meeting
Office
Home

Package Contents

  • Advanced INL4128 DLP Projector
  • IR Remote Control (no Batteries)
  • Power Cord
  • VGA Cable
  • Setup Guide
  • Lens Cap

Environmentally Friendly

Yes

Environmental Certification

RoHS
WEEE

Included in the Box

  • icon_list|dlp projector|DLP Projector Main unit icon

    DLP Projector

  • icon_list|ir remote control|IR Remote Control Remote icon

    IR Remote Control

  • icon_list|Power cord|Power Cable Power cord icon

    Power Cord

  • icon_list|vga cable|VGA Cable Main cable icon

    VGA Cable

  • icon_list|setup guide|Setup Guide Documentation icon

    Setup Guide

  • icon_list|lens cap|Universal Lens Cap icon

    Lens Cap

FAQs

What are the key features of the InFocus INL4128 DLP Projector?
The InFocus INL4128 DLP Projector offers Full HD 1920x1080 native resolution with 4K HDR support, powerful 5600 lumens brightness, and an impressive 2,000,000:1 contrast ratio. It features lamp-free laser technology with 30,000 hours life, 1.6x optical zoom, and versatile 360° installation capabilities. The projector supports both landscape and portrait orientations, includes HDBaseT and LAN connectivity, and is designed for 24/7 maintenance-free operation with IP5X dust resistance.
What is the projection capability and image quality of the INL4128?
The INL4128 delivers exceptional image quality with 5600 lumens brightness and Full HD 1920x1080 native resolution, supporting up to 4K (4096x2160) input. It features a 2,000,000:1 contrast ratio for deep blacks and vibrant colors. The projector can create images up to 25.69 feet diagonally, with a versatile 1.6x optical zoom lens (20.91mm - 32.62mm focal length) for flexible installation distances.
How long does the laser light source last and what are its benefits?
The laser light source in the INL4128 has an impressive 30,000-hour lifespan. Being lamp-free and using laser phosphor illumination technology, it offers several benefits including maintenance-free operation, no filter replacements, mercury-free environmental friendliness, and consistent brightness over time. The Quantum Laser engine produces vivid colors and exceptional image quality while providing lower total cost of ownership compared to traditional lamp-based projectors.
What installation options does the INL4128 projector support?
The INL4128 offers exceptional installation flexibility with complete 360-degree installation across the horizontal axis. It supports front, rear, and ceiling mounting, plus floor-to-ceiling and ceiling-to-floor projection. The projector can be used in both landscape and portrait orientations, making it ideal for various applications including meeting rooms, classrooms, retail displays, and fixed installations. Its 1.6x optical zoom lens provides additional placement flexibility.
What connectivity options are available on the INL4128?
The INL4128 features comprehensive connectivity options including dedicated HDBaseT, dual HDMI ports with 4K Ultra HD and HDR support, USB ports, network RJ-45 port for LAN connection, and S-Video input. The HDMI ports support HDCP 2.2 for secure content transmission. While it doesn't include wireless LAN capability, its extensive wired connectivity options make it suitable for professional installations and various application scenarios.

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Specification
InFocus Advanced INL4128 DLP Projector, Full HD 5600 Lumens, Laser Technology, 2,000,000:1 Contrast, 4K HDR Support, 1.6x Zoom, 360° Installation, RoHS Compliant (1 Year Warranty)
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Price $2,069.99$2,529.99
Manufacturer InFocus Corporation InFocus Corporation
Backlight Technology N/A N/A
High Dynamic Range (HDR) Type N/A N/A
Processor Type N/A N/A
Maximum Resolution 4096 x 2160 4096 x 2160
Operating System N/A N/A
Sound System N/A N/A
Screen Size Class N/A N/A