Optoma Optoma UHD51A Projector
Worlds 1st voice assistant-compatible 4K UHD projector which is compatible with Amazon Alexa and Google Assistant
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  • 4K UHD, bright 2,400 lumens and RGBRGB color wheel
  • HDR10 support for brighter whites, deeper black levels and vivid colors
  • 4K video playback with the integrated USB media player
  • Dynamic black delivers 500,000:1 contrast ratio for exceptional black levels
  • HDMI 2.0 with HDCP 2.2 connectivity ensures compatibility with 4K UHD video sources
  • 15% vertical lens shift and 1.3x zoom for easy installation
  • 4K UHD DLP chipset capable of displaying 8.3-million simultaneous distinct pixels at screen sizes 140 inches and higher

If you need futher guidance regarding various things to consider while purchasing Projector, please read our Conzumr Guide

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4K UHD (3840 x 2160)‎ PX

The native resolution of a LCD, LCoS or other flat panel display refers to its single fixed resolution

Best Suited For Home entertainment
2400 lm

Brightness is an attribute of visual perception in which a source appears to be radiating or reflecting light.

Series # Premium home cinema
Warranty(Months) 24
Warranty Terms 2 year limited warranty / 90 days lamp warranty
Available on Conzumr Since July 2018
Buy Now UHD51A
Prices in US Dollar
Amazon USA
Optoma USA $ 1699.99
Bestbuy USA $ 1699.99
Prices in Indian Rupee
Optoma ₹ 349999
Refreshed 1 week ago
Optoma Premium home cinema series Projector Compare

DLP technology from Texas Instruments
4K UHD (3840 x 2160)‎ PX
Image Size (Diagonal) 34.1” – 302.4 "
Zoom Ratio 1.3x Manual, 0.8 – 2.0 Digital
Short Throw
Throw Ratio 1.21 – 1.59 (distance/width) -+ 5% variance
Screen Size 140 inches & higher
Projection Offset 100 %
Resolution Support 4K (4096 x 2160) @ 30Hz
Lens F=2.5 – 3.26, F=20.91 – 32.62 mm manual focus
Best Suited For Home entertainment
Front, rear, ceiling mount, table top
Picture Details

Details of the projected image

Focus Manual focus
Zoom 1.3x Manual, 0.8 – 2.0 Digital
2400 lm
Up to 500,000:1 with Dynamic Black
Weight & Dimensions
Width 391 mm
Depth 282 mm
Height 130 mm
Weight 5.32 kg
Power Supply AC input 100–240V, 50–60Hz, auto-switching
Power Consumption 348 W
Accessories Battery, CD Manual, Power Cord, Lens Cover, Remote Control, Wireless USB adapter
Additional Features
Vertical: 15% offset (with tolerance ±5%)
Audible Noise 28/25dB (Bright/ECO)
Lamp Life - Eco Mode 10000 H
Lamp Life - SmartEco Mode 15000 H
Lamp Life - Normal Mode 4000 H
Fan Noise (Normal / Eco) 28 dB
Black Level Control Yes
Mirroring (Awind, WiDi, WFD) Yes, wireless
Operating Temperature 5–40 °C
Noise Reduction Yes
Input & Output
Digital (HDMI) HDMI 2.0 with HDCP 2.2 connectivity
Audio in Yes
Audio out Yes
Speaker 2x 5 Watt Speakers
RS232 (DB-9pin) Yes
Plug & Play(HDMI Input) Yes
3D Yes
2D to 3D Yes
Video 4K UHD 2160p (24/50/60Hz), 1080p (24/50/60Hz), 1080i (50/60Hz), 720p (50/60Hz), 480i/p, 576i/p
3D Support Side-by-Side: 1080i50 / 60, 720p50 / 60, Frame-pack: 1080p24, 720p50 / 60, Over-Under: 1080p24, 720p50 / 60
Wi-Fi Yes
Cabinet Color Black
Kensington Lock Yes