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47697 Westinghouse Dr
Fremont, CA 94539
United States

Optoma Technology, Inc.

As the world’s leading brand in 4K UHD projection technology, Optoma combines cutting edge technology and innovation to deliver remarkable visual display products designed to connect audiences with engaging video experiences.

Model: ZU820TST

At 8200 lumens with 4K and HDR compatibility, the ZU820TST features a dust-resistant IP5X certified optical engine for 24/7 operation capabilities, offering true maintenance-free projection for up to
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Optoma Ships World’s First, Highly Anticipated Alexa-Compatible Home Theater Projector
Posted on Tuesday, May 15, 2018
Optoma Ships World’s First, Highly Anticipated Alexa-Compatible Home Theater Projector
Optoma’s UHD51A 4K UHD resolution powerhouse packs in smart features with an incredible visual experience  

Fremont, Calif., May 15, 2018– Optoma, a world-leading manufacturer of video and audio products, today announced availability of its awaited 4K UHD resolution, Alexa-compatible smart home theater projector, the Optoma UHD51A. This projector powerhouse is the world’s first voice-enabled home theater projector and integrates with Amazon Alexa via the new SmartProjection for Smart Home skill, enabling projection to fluidly align with speakers, screen, lighting and more in any smart home setting. First unveiled at CES 2018, the Optoma UHD51A was announced as the Best Home Theater Product in the International CES 2018 “Best of CES Awards” presented by Engadget.

As voice continues to expand its presence in smart homes, Optoma is enabling home theater enthusiasts to integrate large-screen video into their Alexa smart homes, tying in with speakers, lighting and more.  An estimated 8.2 million peoplehave an Amazon Alexa device, and there are now more than one billion voice searches per month, according to Alpine.AI. Exclusive to the Optoma UHD51A, the SmartProjection for Smart Home skill allows users to power the projector on and off, change volume and input source, and control the USB 4K UHD Media Player.

Beyond its voice innovation, the award-winning Optoma UHD51A integrates the latest technology enhancements in color and 4K resolution for market-leading performance.With 2,400 lumens, 500,000:1 contrast ratio, and HDR10 with Rec.2020 / DCI-P3 Wide Color Gamut support and Blu-ray 3D compatibility, the Optoma UHD51A offers an incredible visual experience, delivering supreme clarity, brightness and eye-popping color. It also features a built-in 4K UHD HDR media player and Android OS, along with a pair of HDMI 2.0 inputs with HDCP 2.2 support to ensure compatibility with the latest 4K UHD devices and consoles with HDR at 60 Hz refresh rates for unmatched image smoothness. The Optoma UHD51A is being offered at the incredible price of $1,699.

Features of the Optoma UHD51A include: 

  • Resolution: 3480 x 2160 4K UHD
  • Brightness: 2,400 ANSI lumens
  • Contrast Ratio: 500,000:1 with Dynamic Black
  • Color Gamut Support; REC.709, DCI-P3, HDR10 (REC.2020) compatible
  • Color Wheel: RGBRGB 6-segment color wheel
  • Lens Shift: 15% vertical
  • Throw Ratio: 1.21 – 1.59
  • Optical Zoom: 1.3x
  • Audio: Two 5W integrated speakers
  • Smart Features: Amazon Alexa Smart Home Skill, 4K UHD HDR USB Media Player compatibility, PC-Free Office and PDF Viewer
  • Connectivity: Two HDMI 2.0 ports with HDCP 2.2 and MHL 2.1 support, USB 2.0 (service port), USB (for Alexa Wi-Fi adapter), USB (media playback), USB (for wireless screen mirroring)

“Optoma’s leadership in the consumer home theater space has largely been attributable to our ability to design and deliver projectors that leverage the latest innovations and technologies to deliver a great entertainment experience at an affordable price point,” said Brian Soto, head of product management at Optoma Technology. “With smart home adoption on the rise, and voice increasingly becoming a preferred way for consumers to interface with their electronics, we prioritized delivering this feature to our audience.”

The Optoma UHD51A is available for purchase now from Amazon, Fry’s Electronics (in-store), Best Buy, Beach Camera and B&H Photo for an estimated street price of $1,699. For more information, please visit

About Optoma Technology
Optoma Technology is a world-leading designer and manufacturer of award-winning video and audio products for home entertainment and theater, ProAV and business. With a focus on premium quality and functional style, products are designed with the end-user experience in mind. Optoma and NuForce products deliver stunning crystal-clear images and exceptional sound with ultimate reliability. Optoma Technology is part of The Optoma Group, which has continental headquarters in the U.S., Europe, and Asia. For more information, please visit: