Brand Name | Optoma |
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Item Weight | 11.75 pounds |
Product Dimensions | 5.1 x 15.4 x 11.1 inches |
Item model number | UHD51A |
Is Discontinued By Manufacturer | No |
Special Features | SmartProjection for Smarthome (Alexa Skills): Alexa Smarthome Skills and Custom Skills / Power Projector On/Off, Increase and decrease volume, change inputs, change Display Mode, change HDR Picture Modes, and change PureMotion (MEMC) settings., Vertical Lens Shift: 15% offset (with tolerance +/- 5%) |
Item display height | 8 inches |
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Optoma UHD51A 4K UHD Smart Home Theater Projector, Works with Amazon Alexa & Google Assistant
Purchase options and add-ons
Brand | Optoma |
Recommended Uses For Product | Gaming |
Special Feature | SmartProjection for Smarthome (Alexa Skills): Alexa Smarthome Skills and Custom Skills / Power Projector On/Off, Increase and decrease volume, change inputs, change Display Mode, change HDR Picture Modes, and change PureMotion (MEMC) settings., Vertical Lens Shift: 15% offset (with tolerance +/- 5%) See more |
Connectivity Technology | USB, wireless |
Display resolution | 4096 x 2160 |
About this item
- COMPATIBLE WITH ALEXA AND GOOGLE ASSISTANT: With Echo devices or Google Home, take control of the UHD51A with voice commands to power on/off, adjust volume, change inputs, and control USB media playback
- TRUE 4K ULTRA HD: Experience high-quality home cinema feel with 4K Ultra HD with 8. 3 million distinct addressable on-screen pixels, enabled by the Texas Instruments 4K UHD DLP chipset
- HDR COMPATIBLE: HDR10 technology with DCI-P3 wide color gamut support displays everything in the REC. 2020 colors to match television and film quality; also providing brighter whites, deeper blacks, and greater color depth
- ULTRA-SHARP PICTURE: Ultra Detail technology ensures enhanced image sharpness with a higher frame rate to deliver a crystal clear picture
- FLEXIBLE INSTALLATION: Whether ceiling mounted or placed on a table, get your picture just right with 1. 3x manual and 0. 8 – 2. 0 digital zoom, 1. 21 – 1. 59, +10% throw ratio, vertical lens shift and keystone correction
- 4K UHD GAMING-READY WITH HDR: Connect with the latest consoles and gaming PCs for an immersive experience
- LONG LAMP LIFE: Enjoy up to 15, 000 hours of lamp life enabling an average of 4 hours of viewing time every day for 10 plus years
- ENHANCED COLOR WHEEL: An RGBRGB color wheel increases the color ratio for richer, vivid and cinematic image
- FLEXIBLE INSTALLATION: Whether ceiling mounted or placed on a table, get your picture just right with 1. 3x manual and 0. 8 – 2. 0 digital zoom, 1. 21 – 1. 59, +10% throw ratio, vertical lens shift and keystone correction
- MORE IMAGE DEPTH: Dynamic Black technology provides more depth to the image by smoothing lamp output to create a high contrast ratio (500, 000: 1); bright scenes appear clear while dark scenes remain detailed
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Important information
Visible screen diagonal
300" / 762 cm
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Price | $1,112.48$1,112.48 | $1,154.99$1,154.99 | $14,990.00$14,990.00 | -27% $2,181.74$2,181.74 List: $2,999.99 | $5,998.00$5,998.00 | -13% $2,597.99$2,597.99 List: $2,997.99 |
Delivery | Get it Apr 3 - 5 | — | Get it Apr 3 - 10 | Get it as soon as Tuesday, Apr 2 | Get it as soon as Tuesday, Apr 2 | Get it Mar 30 - Apr 1 |
Customer Ratings | ||||||
Brightness | 4.1 | — | — | 4.5 | 4.7 | 4.1 |
Picture quality | 4.1 | — | — | 4.3 | 4.9 | 4.1 |
Value for money | 3.6 | — | — | 3.9 | — | 3.9 |
Sold By | ARK DEALS ™ ✅ 1000s Deals on Best Sellers! | Out Of This World Electronics | BUYDIRECT & SAVE, USA | Amazon.com | Amazon.com | The Big Screen Stores |
hardware interface | usb | usb | d sub | bluetooth | hdmi | hdmi |
display resolution | 1920 x 1080 | 3840 x 2160 pixels | 4096 x 2160p | 3840 x 2160 | 3840x2160 | 3,840 x 2,160 |
brightness | 2400 | 2400 | 2000 | 2700 | 2000 | 2200 |
native resolution | 4096 x 2160 | 4K UHD (3840 x 2160) @ 60Hz with XPR Technology | 4096 x 2160 | 3840 x 2160 | 3840 x 2160 | 3840 x 2160 |
image contrast ratio | 500000:1 | 500000:1 | 1000000:1 | 2M:1 | — | 1000:1 |
max throw distance | 26.57 feet | — | — | 13.12 feet | 2.21 feet | 0 feet |
min throw distance | 3.93 feet | — | — | 5.9 feet | 1.38 feet | 0 feet |
controller type | Amazon Alexa | Amazon Alexa, Alexa | Button Control | Button Control | Button Control | Voice Control |
From the manufacturer
Key Features
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Incredible color and contrastBring the cinema experience to your home theater with High Dynamic Range (HDR) compatibility and wide color gamut for rich life-like color and contrast. See brighter whites, deeper black-levels and vivid colors with HDR10 support. |
Intuitive voice controlExpand your home theater with voice commands including powering on and off, switching sources, adjusting the volume and activating media player commands. |
Easy file playbackExperience stunning 4K HDR video file playback with the integrated media player. Simply insert a flash drive with 4K videos or images, launch the media player and choose your file. Music playback is also supported. |
Blu-ray 3D-readyImmerse yourself in the movie with eye-popping Blu-ray 3D compatibility. (Requires optional DLP-Link 3D glasses and Blu-ray 3D player). |
Key Features:
- 4K UHD (3840x2160) resolution
- 2400 lumens of brightness
- Up to 500,000:1 contrast ratio with Dynamic Black
- 1.21 – 1.59 throw ratio
- Vertical lens shift
Optoma UHD51A
Expand your smart home with a smart projector
Take control of your home theater with voice commands. With the Alexa smart home skill or Google Actions, control your 4K UHD 2,400 lumen Optoma UHD51A projector with intuitive voice control and easy integration using Echo and Google Assistant devices. Use voice commands to power the projector on and off, change volume, change input source and control the USB media player.
UHD51A | UHD50 | UHD60 | |
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Customer Reviews |
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3.7 out of 5 stars
877
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3.8 out of 5 stars
425
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Brightness, Contrast Ratio, and Native Resolution | 2400 lumens, 500,000:1, 3840x2160 4K UHD | 2400 lumens, 500,000:1, 3840x2160 4K UHD | 3000 lumens, 1,000,000:1, 3840x2160 4K UHD |
Alexa & Google Assistant-compatible | ✓ | - | - |
Inputs | 2xHDMI 2.0 (w/ HDCP 2.2, MHL 2.1 and Full 18Gbps), VGA-In, Audio-In (3.5mm), Audio-Out, SDPIF Out (Optical), USB-A Port (Service), USB-A (Alexa Wi-Fi), USB-A (4K UHD USB Media Player), USB-A (Wi-Fi Wireless Display), RJ45, RS232C | 2xHDMI 2.0 (w/ HDCP 2.2, MHL 2.1 and Full 18Gbps), VGA-In, Audio-In (3.5mm), Audio-Out, SDPIF Out (Optical), USB 2.0 Port (Service), USB-A Power, RJ45, RS232C | 1xHDMI 1.4 port, 1xHDMI 2.0 (w/ HDCP 2.2, MHL 2.1 and Full 18Gbps), VGA-In, Audio-In (3.5mm), Audio-Out, SDPIF Out (Optical), USB 2.0 Port (Service), USB-A Power, RJ45, RS232C |
1.3 x Zoom & Vertical Lens Shift (15%) | ✓ | ✓ | 1.6x |
HDMI2.0 w/ HDCP 2.2 | Yes Full 18Gbps | Yes Full 18Gbps | Yes Full 18Gbps |
HDR10 w/ DCI-P3/REC.2020 | ✓ | ✓ | ✓ |
4K UHD HDR Media Player | ✓ | - | - |
PureMotion (smooth judder-free video) | ✓ | - | - |
Blu-ray 3D 1080p | ✓ | - | - |
Keystone Correction | - | ✓ | - |
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What's in the box
Product information
Technical Details
Additional Information
ASIN | B079HH68M8 |
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Customer Reviews |
3.9 out of 5 stars |
Best Sellers Rank | #2,815 in Video Projectors |
Date First Available | May 15, 2018 |
Warranty & Support
Feedback
Product guides and documents
Product Description
Take control of your home theater via voice commands using Alexa or Google Assistant. With smart home skills, control your 4K UHD 2, 400 lumen Optoma UHD51A projector with intuitive voice control and easy integration with Echo or Google Home devices. Use voice commands to power the projector on and off, change volume, change input source and control the USB media player. The Optoma UHD51A's 4K ultra high definition resolution, 2, 400 lumens of brightness, wide color gamut support and up to 500, 000: 1 contrast ratio combined with HDR compatibility delivers amazing detail, clarity and vibrant colors that bring your favorite movies and video games to life. The latest Texas Instruments 4K UHD DLP chipset with high-performance video processing technology drives the Optoma UHD51A and meets the Consumer Technology Association's definition of true 4K Ultra HD. This innovative fast-switching technology displays 8. 3-million simultaneous distinct pixels at screen sizes up to 300" for an immersive home cinematic experience. A pair of HDMI 2. 0 inputs with HDCP 2. 2 support ensures the Optoma UHD51A works with the latest 4K UHD video playback devices and game consoles with HDR at 60Hz refresh rates for unmatched smoothness. Optical zoom (1. 3x) and 15% vertical lens shift provide installation flexibility for most any environment.
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the picture quality, value, brightness and 3D of the video projector. For example, they mention it has a very good picture, crystal clear and that it's a pretty good product for the price. Some appreciate the 3D, saying it'll look good to them. That said, opinions are mixed on quality, ease of setup, noise, and wifi connection.
AI-generated from the text of customer reviews
Customers like the picture quality of the video projector. They mention it has a very good picture, crystal clear, and bright. Some say the 4K is equally beautiful, and the colors are more vibrant. Some mention that the depth effect is perfect, and that the projector is amazing with 4K clarity.
"...the 1080P is more detailed, the colors more vibrant, and the picture brighter, up to a normal viewing level..." Read more
"...It has given my theater a considerable boost in picture quality, and I finally get to enjoy 4K content the way it was meant to be seen...." Read more
"...d. after the headache 3D is quite fun and looks good to me. it would probably be better if I could afford a bigger screen space...." Read more
"...Plenty bright for us and 3D is awesome! The glasses are super cheap too if you look on Amazon...." Read more
Customers are satisfied with the value of the video projector. They mention that it is a great buy, and the picture quality surpassed the price.
"...reasonable price (below $2,000); an enhancement of the 2K quality of 3D 1080Px2 by..." Read more
"...Blown away by the picture and quality especially for the cheap price...." Read more
"...Bought a reasonably priced screen, cabling and 3D glasses to go with this system and still cheaper than investing in a 4K HDTV...." Read more
"A great projector for the price.3D - worksHDR - works4K - worksPicture quality - looks great to me......" Read more
Customers like the brightness of the video projector. They say that it has amazing brightness, with a 135-inch screen and brightness to spare. Some customers also mention that the daylight viewing is ok, unless there is direct sunlight.
"...Support for viewing 3D Blu-ray content? Check.Enough brightness to use outside of a bat cave? Check...." Read more
"...you don't mind or see the rainbow effect then the image is beautiful, bright, and it is very quite...." Read more
"...Daylight viewing is ok to me unless direct sunlight. Menu isn’t that great. The setup menus have graphics while the image menues do not...." Read more
"...other lesson learned, not a fault of this projector is light control is just so critical for using a projector...." Read more
Customers like the 3D feature of the video projector. They say it's great, fun, and the best 4K projector that supports 3D. Some mention that the fan is quiet. Overall, most are satisfied with the product's 3D capabilities.
"...d. after the headache 3D is quite fun and looks good to me. it would probably be better if I could afford a bigger screen space...." Read more
"...Plenty bright for us and 3D is awesome! The glasses are super cheap too if you look on Amazon...." Read more
"...I bought this model because it works with 4K discs and is one of the few options if you still want to play your 3D media...." Read more
"...-3d is amazing and easily syncs to the projector , girlfriend enjoys the 3d from the projector even more than from the IMAX theater down the..." Read more
Customers are mixed about the quality of the video projector. Some mention that it's a very good product with many nice features, while others say that it is not very useful and starts behaving strangely.
"...is rightly touted as an excellent 4K projector, it's ALSO a fabulous 3D projector for those of us with two working eyeballs that savor such..." Read more
"...Plenty bright for us and 3D is awesome! The glasses are super cheap too if you look on Amazon...." Read more
"...to take these issues into account, and this projector may not work in every room...." Read more
"...I think the projector quality in dark is awesome. It’s flawless even on my bare wall( haven’t bought the screen yet). Crystal clear picture quality...." Read more
Customers are mixed about the noise of the product. Some mention it's quieter, while others say it'll be louder in high altitude mode. The cooling fan can be a little noisy. Overall, the opinions are mixed and depend on personal preferences.
"...The first thing I noticed after installing it is that it was whisper quite, even when I put to UHD51a in bright mode, I could hardly hear the fan...." Read more
"...-puremotion - I can’t really tell if it works but it seems to jutter on movies when it can’t predict things but I’ll know more when football starts..." Read more
"...Noise level is bearable. It is not super quiet, however when a movie is going on, the noise doesn’t bother you at all." Read more
"...My only complaint is that the motor/fan or whatever is kinda loud. I’m getting more used to it though...." Read more
Customers are mixed about the ease of setup of the video projector. Some mention that it was a lot of steps but pretty simple to setup, and works right out of the box, while others say that the setup was wildly off out of box, with very limited options for setup.
"...Next I set up Alexa, it was a lot of steps but was pretty simple to setup. I was able to turn the projector off with my voice command once...." Read more
"...The setup was a bit of a nightmare, but now it's working on the second day. As far as the picture goes, it's crisp and clear...." Read more
"...has it all; 3D, 4K HDTV, with all the latest formats and works right out of the box...." Read more
"...My frustrations with the projector continued. The keystone issue was very tedious but I've also had many many HDMI sync/negotiation issues...." Read more
Customers are mixed about the wifi connection of the video projector. Some mention that it works awesome with Alexa, while others say that it won't connect to WiFi. Some say that the 3D does not work, and others say the Alexa connection didn't work when they got it.
"...Alexa is still not working and I have given up on setting that up for now, but using a voice command to turn it on is that not that big a deal as..." Read more
"...for wifi connected, and can connect to my network, but can not get the wifi to turn on...." Read more
"...flat on the top so I mounted it upside down on the shelf and it works perfectly! We love it...." Read more
"...takes time to warmup- alexa connection is a hassle (optoma's fault) their mobile app is terrible, but managed to get it done...." Read more
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RGBRGB color wheel for accurate color reproduction? Check.
Support for HDMI 2.0 / HDCP 2.2? Check.
Support for viewing 3D Blu-ray content? Check.
Enough brightness to use outside of a bat cave? Check.
So finally, 4K arrived in my home theater. The first thing I observed is that it does have a fairly short throw and only a small degree of lens shift, so you will either have to ceiling-mount or coffee table mount. Focus is manual. No motorized "lens memory" features for fans of 2.35:1 constant image height setups. Shelf mounting at the back of the room is not likely to work in most installations.
This projector uses the 0.47" DLP chip with pixel-shifting. However, pixels do not appear to overlap when viewed up close - you can actually see the "screen door" effect if you put your face right up next to the screen. Unlike in the days of 720p projectors, no screen door effect is visible at normal viewing distances. Seeing the "screen door" up close is desirable - it means pixel-shifting DLP works and can reproduce a true 3840x2160 image, in which every pixel is individually distinguishable. It also means the optics of the lens are good enough to render high-resolution images.
After using a Panasonic PT-3000AU 3LCD projector for the last decade, this projector was a big upgrade. It throws a brighter, more vibrant image on my 120" screen. While no lamp-based projector can fully reproduce HDR content, I can say that 4K HDR content is noticeably clearer with more vibrant colors. The expanded color space of 4K HDR also made for very smooth gradients, with considerably less "banding" artifacts compared to 1080p Blu-ray on my old projector. The UHD51A uses an RGBRGB color wheel, which is best for home theater applications as it renders colors most accurately. Competing models that have higher lumen ratings (high 2000s to mid 3000s) use an RGBW wheel, but that extra brightness is lost when the projector is calibrated for accurate color reproduction. The RGBW wheel gives extra white lumens that can cut through ambient light, but I found the UHD51A's RGBRGB wheel to be bright enough to illuminate a 120" 1.1-gain screen in my living room, which is not totally light-controlled.
HDR is not rendered as well as on an OLED TV, but those are prohibitively expensive if you want a picture size over 65". The visual impact of a 120" picture is considerable. Black levels are not state of the art, but they are good enough. It's comparable to what you would experience if you went to a movie theater with digital projection. Projector users are familiar with these compromises; that aspect has not changed in the last decade.
Like all the 0.47" DLPs on the market, this projector does have a "light border" that extends past the picture area, and even past the black borders on my screen. If this bothers you, paint your screen wall a flat black to reduce this effect. I do wish TI would fix this in the 0.47" DLP light engine. A projector should not project light outside the borders of the image. But again, all 0.47" DLPs have this issue currently, so consider it when setting up your theater.
I didn't set up the Amazon Alexa features so can't comment on those. Also haven't tried 3D yet, but am looking forward to watching a 3D movie on a 120" screen.
This review may seem negative, as I pointed out some caveats and limitations. It's important to take these issues into account, and this projector may not work in every room. I did have to re-arrange my room to get this projector into my system, but it was worth the trouble. No one else offers a 4K + 3D projector for well under $2,000. It has given my theater a considerable boost in picture quality, and I finally get to enjoy 4K content the way it was meant to be seen. If, like me, you want both 4K UHD and 3D, this is the best bargain going currently.
Update: I'm changing my review from 1 star to 4 after the projector suddenly decided to accept a 4k signal after no changes. The setup was a bit of a nightmare, but now it's working on the second day. As far as the picture goes, it's crisp and clear. I notice the rainbow effect only slightly and not very often. The sharpness could be better, but overall it's a huge step up from my old 1080P projector. Alexa is still not working and I have given up on setting that up for now, but using a voice command to turn it on is that not that big a deal as using the remote is just as fast. My biggest complaint is the lack of ARC.
Previous review: will not accept any 4k signals. I've tried different cables, different devices, every possible setting and it still won't work. It starts to play a movie then says no signal. What a huge disappointment.
Top reviews from other countries
2. Projector is everything as advertised and more
3. HDR does work passing through my reciever (might be different for others) needed to connect to the input connection closest to the output connection on the reciever
4. Mounted to ceiling projecting to a 91 inch screen important to mount within the advised distance to get flexibility with focus
5. Only "bad" thing about this projector is when it auto switches from SDR to HDR there is a delay as the projector recalibrated itself
6. For firmware updates, the provided dongle needs to be in a different usb port than the Alexa port...but I don't use Alexa so its not been a problem
7. The remote must have been updated for my unit as it's black and the buttons are back lit
8. Finally when configuring the colour it would have been nice if the menu stayed open a tad longer
I never trust to buy from Amazon online specially from Optoma