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UHD51A 4K UHD Smarthome Projector with Amazon® Alexa® & Google Assistant™ Integration

  • Brand: Optoma
  • Part: 331741
  • Vendor SKU: UHD51A
  • UPC: 796435813086

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Box Dimensions 20.7" L x 15" W x 8.1" H
Qualifies for Free Shipping Yes
Individual Packaging Weight 15.6000
Inner Carton Quantity 1
Individual Packaging Brown Box
Aspect Ratio


  • UHD51A
  • lens cap
  • AC power cord
  • HDMI cable
  • remote control
  • batteries for remote
3D Yes/No


Built-In Speaker Yes/No


Contrast Ratio


Lamp Wattage

240.0000 WATT

Remote Control Included Yes/No



3840 x 2160 pixels

Voltage Rating (Master)

100 to 240 VOLT

Noise Level

25.0000 DECIBEL

Audio/Video Input
  • 3.5mm Input
  • HDMI
Audio/Video Output


Number of Lumens 2400.0000
Maximum Lamp Life

15000 HOUR

Projector Technology


  • Gold
  • White
Product Height 5.1000 INCH
Product Width 15.4000 INCH
Product Length 11.1000 INCH
Battery Information Product does not require a battery
Marketing Color Black


Optoma 4K Ultra HD Projectors

What Is 4K Ultra HD?

How many more pixels can you fit into a single screen? The answer is 4x what you are seeing now. Manufacturers are continuing to push the limits in respect to picture clarity and sharpness with 4K Ultra HD displays. This method of display quadruples the number of pixels on the screen that 1080p displays were capable of. It also produces both more vivid colors and more realistic images. This technology has been slow to expand into the home theater market due to... Read More