INFocus IN3904LB

DLP Projector - Interactive
WXGA - 3000 ANSI Lumens



The InFocus IN3900 DLP® projector series provides the ultimate flexible display solution for small-to-medium meeting rooms, conference rooms, or classrooms.

This series is equipped with signature InFocus features such as DisplayLink™, our content over USB 2.0 solution, which allows users to set-up in seconds. The IN3900 series also has LitePort™ which allows for PC-Free presentations from any standard USB drive, and is wireless capable with the optional LiteShow II™.

Above all, the IN3900 series is compatible with LiteBoard, our newest feature which empowers users to wirelessly interact, annotate and highlight displayed information with a wireless wand. The IN3900 series is perfect for users looking to make an impact with the best in ease-of-use technology and superior image quality.

DisplayLink connectivity Hassle-free, lightning fast-projection. Displaylink Content over USB technology eliminates the need for bulky VGA cables and allows for computer and image set up in seconds without toggling or cumbersome function key combinations. DisplayLink makes projecting simple!

Technical Specifications

Tech Features Number of Speakers 2
Tech Features Speaker Output Mode Mono
Tech Features Interfaces 2 x 15-pin HD-15 VGA In
1 x 4-pin mini-DIN S-Video In
1 x DisplayLink
1 x USB 2.0 USB
1 x 9-pin DB-9 RS-232 Serial
1 x Mini-phone Audio Line Out
1 x RJ-45 Network
1 x Mini-phone Audio Line In
1 x RCA (Left/Right) Audio Line In
1 x RCA Composite Video In
1 x HDMI Digital Audio/Video In
Tech Features Manufacturer Part Number IN3904LB
Tech Features Brand Name InFocus
Tech Features Manufacturer InFocus Corporation
Tech Features Manufacturer Website Address
Tech Features Product Model IN3904
Tech Features Product Type DLP Projector
Tech Features Product Name IN3904 Multimedia Projector
Tech Features Standard Mode Brightness 3000 lm
Tech Features Minimum Projection Distance 61.42"
Tech Features Native Resolution 1280 x 800
Tech Features Vertical Keystone Correction -30°/+30°
Tech Features Contrast Ratio 2000:1
Tech Features Low Mode Brightness 2400 lm
Tech Features Color Support 16.7 Million Colors (24-bit)
Tech Features Maximum Projection Distance 36 ft
Tech Features Graphic Mode WXGA
Tech Features Maximum Resolution 1920 x 1200
Tech Features Native Aspect Ratio 16:10
Tech Features Minimum Lens Aperture F/1.56
Tech Features Maximum Lens Aperture F/1.72
Tech Features Package Contents
  • IN3904 Multimedia Projector
  • Remote Control
  • VGA Cable
  • Power Cord
  • USB Cable
  • Carry Case
  • Safety Instruction
  • Projector User's Guide
  • DisplayLink User's Guide
  • Tech Features Connectivity Technology Wired
    Tech Features Network Technology Ethernet
    Tech Features Network Support Yes
    Tech Features Weight (Approximate) 7 lb
    Tech Features Dimensions 3.70" Height x 12.40" Width x 9.80" Depth
    Tech Features Projection Method Front
    Tech Features Video Signal Format NTSC
    Tech Features Scan Format 1080p
    Tech Features Video Signal Standard HDTV
    Tech Features Standard Warranty 5 Year
    Tech Features Normal Mode Lamp Life 3000 Hour
    Tech Features Economy Mode Lamp Life 4000 Hour