Optoma EH320UST Ultra Short Throw Projector

The Optoma EH320UST produces bright projection with 4000 ANSI lumens.The projector is compatible with Computer using UXGA, SXGA, WXGA, HD, XGA, SVGA, VGA etc. It uses DC3 DMD DLP Technology by Texas Instruments and hence the content are clearer, vivid and brighter

Optoma EH320UST 1080p ultra short throw projector is ideal for companies, schools, and universities. It is bright (4,000 lumens), and with a throw ratio of 0.25:1, it can project a 100″ picture from as close as 55cm away. Furthermore, positioning the projector that near to the screen eliminates any shadows projected across the screen by the presenter (s).

It offers a comprehensive package for engaging learning, featuring two HDMI inputs, a powered USB connection, a strong 16W built-in speaker, enhanced bulb life, a compact chassis, and a totally redesigned mounting method for quick and easy setup.

The Optoma EH320UST has Full HD 1080p resolution, 20,000:1 contrast ratio, and can show genuine 3D content.

When it comes to connection, the EH320UST is quite adaptable. Two HDMI connectors, two VGA ports, a composite connection, two 3.5mm audio jacks, a network cable for monitoring, and a USB port are all available. The USB connection is exclusively for connecting to computers for control; it cannot be used to play media or open files natively, which isn’t a big deal for an office projector.

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While 16W may seem like a lot, we were really unhappy in the Optoma EH320UST sound quality. It could achieve high levels, but there was practically little bass presence, and high frequency sounds like speech created distortion and rocked the projector’s plastic enclosure. If you want to fill a bigger space with sound, you’ll need to invest in additional speakers. At the very least, fan noise is relatively low – 28dB is noticeable, but it’s muffled by the chassis and isn’t distracting.

My Honest Optoma EH320UST Projector Review

I’ve owned this projector for almost a year and I adore it. I completely disagree with the bad ratings, which seem to be from people who had setup and support troubles. This projector has three features that I really like and appreciate:

1. Sharpness and resolution: All doubts I had about it being a low-budget project, the first of its sort in the UST consumer grade category, were dispelled once I had it up and running. After months of searching, I decided to take a chance on this. As promised, 1080p was provided. At 135″ from a little more than 2 ft away, it’s an extremely crisp image from edge to edge, with no distortion even in the corners. My uneven wall surface is responsible for the minor variations in my photographs.

2. Luminosity. 4000 lumens, as stated. This was required for a family room arrangement. On three sides, windows cover 75% of the walls (covered with white blinds and no curtains). For nearly a year, I had no issue watching daytime with plenty of ambient light. The brightness dropped after that, which was to be anticipated given that the OOTB bulb had only 500 hours of life and I had used it for almost 1000 hours.

3. Cost-effectiveness. I had been seeking for three specific items for many months. Throw ratio of 0.25 or less, lumens more than 3000, 1080p or higher, and, of course, the lowest price on the market. Optoma EH320UST projector appeared extremely out of place for $1600! The next greatest offer was more over $10,000. As a result, the gamble and eventual fell in love.

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I simply wish two things had been different.

1. The new light has a lot longer life than 500 hours. Mine blew out after 1800 hours of usage. I’m hoping that the new light will last longer.

2. That Optoma used more aggressive marketing to make this a more popular product than it is; that they improved their versions and market share. When I was looking for a projector, the only reviews or marketing material I could find were for office installations, and this projector gives much more than PowerPoint presentations!!

Last but not least, excellent client service!!


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Product Brand


Product Date first listed on Amazon

August 7, 2015

Product Item model number


Product Item Weight

10.49 pounds

Product Product Dimensions

12 x 15.2 x 4.7 inches

Product Shipping Weight

13.85 pounds