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Christie Digital LWU421 Projector

Part #: CHRLWU421  |   Mfg #: 121-013105-01
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Christie LWU421 3LCD projector

The Christie® LWU421 is flexible and affordable. It has the power needed for professional-level presentations. The optional lens suite includes a selection of zoom lenses with repeatable position recall that make the Christie LWU421 ideal for small- to medium-sized applications and wide screens. With the projector’s USB port, presenters can use wireless devices to present their data. The Christie LWU421 also has a text message function that’s ideal for displaying emergency or evacuation messages as an overlay on the screen.

This 3LCD projector is low maintenance, with features such as long-lasting lamps and (<0.35W) standby operation, all resulting in a low total cost of ownership.


  • 4,200 ANSI lumens
  • WUXGA (1920 x 1200) resolution
  • Suite of optional lenses with repeatable position recall capabilities
  • Long life, 245W UHP lamp (standard mode: 2500 hours; eco mode: 4000 hours)
  • Hybrid filter operates for up to 20,000 hours, reducing maintenance requirements
  • Built-in security features that limit access to projector controls and menus
  • Can be used at high altitudes - up to 10,000 feet (3048m)
  • Optional wireless module for device flexibility and easy presentation set up

The Christie LWU421 is equipped with AMX Device Discovery and Crestron’s RoomView™ for easy integration with third-party control systems. AMX Device Discovery:

  • improves the way AV installations are programmed, managed and operated
  • makes programming easy
  • makes operation with an AMX control system effortless.

Crestron RoomView software provides a custom-configurable interface for remotely monitoring, managing and controlling every device in every room from any computer. RoomView automates and streamlines several management and technical support functions so you can work more efficiently.

The Christie LWU421, equipped with all the features you need, makes giving professional-quality presentations in your workplace easy and affordable.

Click on a spec (like Resolution:) to learn more about it. Click here for the complete glossary.
Image Quality Projector Calculator See Christie Digital LWU421 Image Size Calculator »
Resolution Wide UXGA (1920 x 1200)
Brightness 4200 lumens
Contrast Ratio 3000:1
Uniformity --
No. of Colors Full Color
Aspect Ratio(s) Native - 16:10
Display Type LCD;
Data Signals Native: WUXGA (1920 x 1200)
Video Signals 480i, 480p, 576i, 720p, 1080i, 1080p VGA, SVGA, XGA, WXGA, WXGA+, SXGA, WSXGA+, UXGA, MAC16" NTSC, NTSC4.43, PAL, PAL-M, -N, SECAM
H Sync 15-106kHz
V Sync 56-120Hz
3D Ready No
Dot Clock --
Inputs / Outputs
  • BNC, 5 Wire
  • Component, RCA (Y,Pb,Pr)
  • Composite Video, RCA
  • HDMI (High-Definition Multimedia Interface for digital video and digital audio)
  • S-Video (Mini DIN 4-pin (Y/C))
  • Ethernet/RJ45 (Network addressable, RJ45)
  • USB
  • VGA (Analog data, mini D-Sub 15-pin)
  • RS-232 (Serial)
View the manufacturers spec sheet for a complete list of Inputs and Outputs
Built-in Audio --
Projection Lens Projector Calculator See Christie Digital LWU421 Image Size Calculator »
Lens Motorized zoom, focus and lens shift • Mechanical light shutter
Throw Ratio 1.5 - 3:1
Keystone Corr. Specs: H - ±20 degrees / V - ±12 degrees
Lens Shift --
Proj. Methods Ceiling, Front, Rear
Dimensions 19.6" x 5.8" x 18.7" (W x H x D)
Unit Weight 18.7 lbs.
Power Supply AC100-120V @ 50/60Hz
Power Consumption 245
Ecomode Yes
(Brightness: 3360 lumens; Lamp life: 4000 hours; Noise: 29 dB)
FCC Class B
Audible Noise 35.0 dB
Lamp 245W UHP
Lamp Life 2500 hours
Replacement Lamp
CHR00312070701, $407.00     
Included Accessories
Items Included Power cord (US cord, 1.8m) x 1, (UK cord, 1.8m) x 1 and (Euro code, 1.8m) x 1 • Computer cable (2m) x 1 • HDMI-DVI cable (0.4m) x 1 • Wireless remote control unit x 1 and "AA" batteries x 2 • Security label x 1 • Lens cover x 1 • Adapter cover x 1 • Cable holder x 1 • Network and wireless software (in a CD-ROM) • User’s manual CD
Remote Control Yes
Carry Case No
Projector 3 year parts & Labor
Lamp 120 days or 500 hours (whichever comes first)

* -- indicates specification not published by manufacturer.


  • Download the manufacturer spec sheet for the Christie Digital LWU421.