Optoma 4K550ST-angle
Optoma 4K550ST

Two new UHD projectors have been announced by Optoma: the 5000-lumen 4K550 and the 4500-lumen 4K550ST. Both are 4K projectors aimed at large venue professional, corporate, and house of worship installations. The long-throw 4K550 is priced at $4,499 and features a 1.6:1 zoom lens, while the short-throw 4K550ST lists for $5,499 and offers a fixed 0.78:1 lens for close-to-the-screen, large image projections—a 100-inch image can be thrown from less than 6 feet distance.

With native mode resolutions of 3480x2160 (16:9 aspect ratio), these projectors weigh in at about 13 pounds and have a relatively small footprint of 15.4"x11''. Lamp life ranges from 3,000-5,000 hours depending on which of three projection modes is selected, and both units feature vertical lens shift to ease setup. Warranty periods are three years for the projectors and one year for the illumination lamps.

Optoma 4K550 Key Features

  • 4096x2160 4K native resolution

  • 5000 ANSI lumens

  • 10,000:1 contrast ratio

  • 3,000- to 5,000-hour lamp life

  • VGA and dual HDMI interfaces

  • 1.6:1 zoom lens with +15° vertical lens shift

  • Projection distance 4.3'-30.5'

  • Image size 27"-300"

  • HDR 10 compatible with DCI-P3 wide color gamut

  • 3-year projector limited warranty

Optoma 4K550ST Key Feature Differences

  • 4500 ANSI lumens

  • 0.78:1 throw ratio lens with +10° vertical lens shift

  • Projection distance 1.6'-17.1'
    Optoma 4K550 Front
    Optoma 4K550


    The Optoma 4K550 and 4K550ST projectors are compatible with a variety of control protocols including Crestron RoomView, AMX, and PJ-Link. They are also 1080p 3D-ready with a DLP-compatible interface.

    The Optoma Express three-year warranty features advanced projector exchange if a failure occurs during the warranty period.

    For more detailed specifications and connections, check out our Optoma 4K550ST projector page.

    To buy this projector, use Where to Buy online, or get a price quote by email direct from Projector Central authorized dealers using our E-Z Quote tool.

    Comments (4) Post a Comment
    Alan Buck Posted Jan 18, 2019 11:24 AM PST
    Do they use the 0.47 or 0.66 dlp chip? Do you have any plans to review these projectors?
    Rob Sabin, Editor Posted Jan 18, 2019 11:51 AM PST
    Alan, these models use the 0.66 XPR DLP chipset and we do have plans in the works for a 4K550 review. Presently awaiting a sample.
    Kris Posted Feb 25, 2019 4:38 AM PST
    Can't wait for the review. You would be the first one!
    Rob Sabin, Editor Posted Feb 25, 2019 9:26 AM PST
    Pending, shortly... we have a review on the ST version.

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