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Optoma UHL55 4K UHD Smart Projector

Part #: OPTUHL55  |   Mfg #: UHL55
Optoma UHL55 4K UHD Smart Projector Optoma UHL55 4K UHD Smart Projector Optoma mpn:UHL55
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Home theater projector

Optoma UHL55 4K UHD Smart LED Projector

Instantly project incredible 4K UHD images with the compact, 1,500 lumen Optoma UHL55 smart projector. Its protective sliding lens cover and power switch, auto focus, auto keystone, HDR10 support and 250,000:1 contrast ratio ensure easy place and play with gorgeous colors and deep black levels.

Amazon Alexa and Google Assistant compatibility enable intuitive voice control for easy smart home integration. Use voice commands to power the projector on and off, change volume, change input source and control the USB media player.

An Android OS with smart TV apps and Optoma Marketplace deliver USB media playback compatibility, Internet streaming services and downloadable apps. NuForce stereo audio with two 8-watt speakers provide crisp audio for movies and music.


  •  Incredible 4K UHD resolution with 1,500 lumens and four HDR10 picture modes
  • Android OS with 4K UHD HDR media player, smart TV apps and Optoma Marketplace
  • Works with Amazon Alexa and Google Assistant
  • RGBB LED light source with up to 30,000 hour life
  • Stereo NuForce audio with Dolby Digital decoding and Bluetooth audio input and output
  • Protective sliding lens cover and power switch
  • Auto focus and auto keystone for easy place and play
Click on a spec (like Resolution:) to learn more about it. Click here for the complete glossary.
Image Quality Projector Calculator See Optoma UHL55 4K UHD Smart Image Size Calculator »
Resolution QFHD (3840 x 2160)
Brightness 1500 lumens
Contrast Ratio 250000:1
Uniformity 80%
No. of Colors 1.07 billion
Aspect Ratio(s) Native - 16:9
Other(s) - 16:10 and 4:3 compatible
Display Type DLP (1 chip);
Data Signals 4K UHD (3840 x 2160)
Video Signals UHD 2160p (24/50/60Hz), 1080p (24/50/60Hz), 1080i (50/60Hz), 720p (50/60Hz), 480i/p, 576i/p
H Sync 31 to 135 KHz
V Sync 24Hz to 120Hz
3D Ready No
Dot Clock --
Inputs / Outputs
  • HDMI (High-Definition Multimedia Interface for digital video and digital audio)
  • HDMI 2.0 (High-Definition Multimedia Interface, version 2.0 with increased bandwidth)
  • Multi-HDMI (Multiple HDMI connectors)
  • Ethernet/RJ45 (Network addressable, RJ45)
  • USB
Call the projector experts at 1-888-248-0675 for more information
Outputs Description Bluetooth audio out
Built-in Audio 2 x 8W (stereo), Dolby Digital decoding Bluetooth audio input & output
Projection Lens Projector Calculator See Optoma UHL55 4K UHD Smart Image Size Calculator »
Lens --
Throw Ratio 1.2:1
Keystone Corr. Horizontal and Vertical
Specs: Auto
Lens Shift --
Proj. Methods Ceiling, Desktop, Front, Rear
Dimensions 8.6" x 5.3" x 8.6" (W x H x D)
Unit Weight 8.7 lbs.
Power Supply AC input 100240V, 5060Hz, auto-switching
Universal Power Supply
Power Consumption 170
Ecomode Yes
(Brightness: 1200 lumens; Lamp life: 30000 hours;)
FCC Class A
Audible Noise 28.0 dB
Lamp --
Lamp Life 20000 hours
Replacement Lamp
Included Accessories
Items Included Power adapter with cable, HDMI cable, Bluetooth remote, quick start guide and warranty card
Remote Control Yes
Carry Case No
Projector 2-year or 20,000 hour light source warranty (whichever comes first), 2-year limited parts and labor warranty on the projector
Lamp --

* -- indicates specification not published by manufacturer.


  • Download the manufacturer spec sheet for the Optoma UHL55 4K UHD Smart.