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Optoma

Optoma GT2100HDR Compact Short Throw Laser Home Theater and Gaming Projector, 1080p HD with 4K HDR Input, Bright 4,200 Lumens for Day and Night Viewing White

  • Based on 96 reviews
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Availability: Only 9 left in stock, order soon!
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Arrives Tuesday, Aug 4
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Size: 4200 Lumens, 1080p


Features

  • Eco-Friendly Design
  • Bright 4200 Lumens
  • External Power Supply

Description

The Optoma GT2100HDR is a compact but powerful home theater and gaming projector that offers an immersive viewing experience. It utilizes DuraCore laser light technology for a dependable light source with up to 30,000 hours of maintenance-free operation and an IPX6 dust resistance rating for enhanced durability. Its short throw lens allows a 120" image to be projected from just 4' 4" away, making it ideal for smaller spaces. With 1080p HD resolution, you can enjoy sharp and detailed content without any downscaling or compression. The GT2100HDR also boasts an enhanced game mode with lightning-fast response times and compatibility with 4K HDR input, which provides rich cinematic colors and an impressive 300,000:1 contrast ratio. This advanced projector is both compact and energy efficient, measuring just 8.5" x 10.79" and consuming only 45% of the power used by typical lamp-based projectors. It's equipped with HDMI and USB connectors, making it compatible with a wide range of gaming consoles and streaming devices.

Brand: Optoma


Recommended Uses For Product: Business, Education, Gaming, Home Cinema


Special Feature: DuraCore Laser Technology, Energy-Efficiency, Full 3D, Ultra Compact Design


Connectivity Technology: RCA


Display resolution: 1920 x 1080


Additional Features: DuraCore Laser Technology, Energy-Efficiency, Full 3D, Ultra Compact Design


Connectivity Technology: RCA


Native Resolution: 1920 x 1080


Display Resolution Maximum: 1080p Full HD Pixels


Display Type: Projector


Form Factor: Portable


Mounting Type: Tabletop Mount


Brightness: 4200 Lumen


Color: White


Wattage: 119 watts


Controller Type: Remote Control


Compatible Devices: Apple TV, Gaming Console, Roku Stick, Shield TV, Television


Contrast Ratio: 3000001


Maximum Throw Distance: 3.2 Meters


Light Source Operating Life: 30000 Hours


Maximum Image Size: 123 Inches


Voltage: 110 Volts


Hardware Connectivity: 3.5mm Audio, HDMI, USB


Control Method: Remote


Minimum Throw Distance: 0.4 Meters


Video Encoding: H.265 (HEVC)


Projector Maximum White Brightness: 4200 ANSI Lumens


Picture Quality Enhancement Technology: DuraCore Laser Technology


Brand: Optoma


Antenna Location: Business, Education, Gaming, Home Cinema


Built-In Media: User Manual


Model Name: GT2100HDR


Model Number: GT2100HDR


UPC: 796435814625


Manufacturer: Optoma Technology Inc


Mfr Part Number: GT2100HDR


Unit Count: 1.0 Count


Warranty Description: 1 Year parts and labor limited warranty on the projector, 5-year or 12,000 hour light source warranty (whichever comes first)


Item Dimensions L x W x H: 10.79"L x 8.5"W x 4.49"H


Item Weight: 6.6 Pounds


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Aug 4

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

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View our full returns policy here.

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Top Amazon Reviews

    • Optoma GT2100HDR Small & compact bright and clear laser projector
Size: 4200 Lumens, 1080p
Who'd a thunk researching for a projector would be so daunting. The prices range from under $100 to like $10,000. I chose to look for the best projector that I could find under $2,000 which helped speed up my research. The GT2100HDR has a footprint smaller than a letter size sheet of paper. At 6.6lbs it's lighter than the GT1080, GT1090 class of Optoma projectors which I think this line of GT2000HDR & GT2100HDR replaces. I timed my purchase for Black Friday sales in 2023. Through Black Friday they dropped the price from $1799.00 to$1,399.00. The GT2100HDR is a laser projector for under $1,500 using only 173 watts which makes for a cooler machine since projectors can get quite hot. At 4200 ANSI lumens it's almost as bright and clear as the images casted from my smaller 17" MSI gaming laptop with the lights off. The GT2100HDR is plenty bright in ambient light. Best Buy floor models were dim and grainy in ambient light and their projectors were huge and clunky in comparison. The GT2100HDR is the most recent up to date projector from Optoma being on the market less than a year now. My GT2100HDR is one important component of my garage Golf simulator. If I turn it on it usually doesn't get turned off till 12 hrs later. And presently its floor mounted in a case I built out of 3/8" plywood. With any projector you get will require YouTube to help with little things here and there. One YouTuber explains how to fill the entire screen no black out top and bottom merely by changes in ur RTX3060 video card settings for example. Other things like Dynamic Contrast 300,000:1, 1080p w/4K support, 10bit color processing, laser phosphorus life 30,000 hrs, 3D mode, aspect ratio 16:9, keystone correction, 2.0 HDMI inputs, 173 watts, smaller footprint blows any non laser projector out of the water. And now what's wrong with it. I don't know if anybody else would be bothered by this but? The GT2100HDR looks like several other Optoma models share the same small foot print housing. There is no where mentioned that my unit is a GT2100HDR on the unit itself. The only place Optoma has the model number is on the box that it came out of. So I took a picture of the label and taped it to the bottom. My concern is if I'm in need of support whether not identifying the model # on the unit itself could get messy. The manual can be obtained on line at the Optoma support site of some 100 pages that I printed out. But I'm still not understanding how the digital shift corrections really work. And the remote that it comes with takes a bit getting use to because Optoma encrypts (being sarcastic) the images on the buttons and its hard to tell which side is up. So you'll need the manual to explain the obvious. Overall I'm very pleased with the GT2100 I worry about the heat cus when I turn it on it stays on for the whole day and thru the night. My research for a projector had me going to Discount Golf to check out their Golf simulator setups. They run their golf simulator all day so what am I worried about? ... show more
Reviewed in the United States on July 26, 2024 by Spacecowboy
    • Very Nice Projector Very Nice Projector
Size: 4200 Lumens, 1080p
Review Image by CEDavis
I love the adjustments this has. Easy setup. I have it placed about 5' from a 12' screen. Great picture!
Reviewed in the United States on June 19, 2026 Reviewed in the United States on June 19, 2026 by CEDavis
    • Short Throw and Excellent Brightness
Size: 4200 Lumens, 1080p
I needed a short throw projector for business purposes where our conference table was 5' away from a 10' wide conference room wall, and the room is about 50' long. The room is lit, but not bright, like walking into Starbucks. The brightness is very good and the projector is configured to use a level down in brightness (80%?) to improve the laser light source longevity and color. You can view a spreadsheet reasonably well from the back of the room if Excel is zoomed to about 150% (est 18pt font equivalent). I bought a $60 foam pick case from HarborFreight to carry the projector, ac adapter, cables, and a speakerphone puck. The projector would be improved if it - supported network casting - had a 2X zoom - had horizontal keystone correction - was smaller like the Dangbei Atom - cheaper (ouch!) At the time of the purchase, there weren't many affordable, short throw projectors available. The Optima isn't perfect, but meets my basic requirements satisfactorily. I would buy it again. 18 month update: Everything still working fine. Tariffs added $250 (20%) to the price. Ouch! ... show more
Reviewed in the United States on March 18, 2024 by PJP
    • Didn’t get 1 min of use
Size: 4200 Lumens, 1080p
Returning unit same day it arrived! Would not turn the laser on and was throwing fault codes straight out of the box. Have to wait for my money back to order another one and who knows how long that will take.. save yourself the hassle and just order a new one the first time!
Reviewed in the United States on May 10, 2026 by Matt F.
    • Awesome quality and lumens.
Size: 4200 Lumens, 1080p
This is a great option when you have limited space to project a large screen.
Reviewed in the United States on February 6, 2026 by Veronica Romanello
    • Burnt out after 1 year
Size: 4200 Lumens, 1080p
It worked great looked great for a little over a year with me using it 1 a week max. For a weekly event that last 2 hrs. I bought it in September 2024 and it's December 2025 and it stopped working today. I plugged in the power supply and I smelled something burning. It was coming out of the projector vent. Now Red LED power indicator turns to blue but projector does not come on. Just missed my warranty expiration. In addition says it's 4k but it does not project 4k. It just supports 4k images coming thru the HDMI input. It does 1080dp. Speaker is absolutely worthless. You will need an external audio source. I'm bummed this happened is all. Not hating on the projector or the manufacturer but I paid $1500 for about 50 uses of it. Lookingfor a new one. Not buying Optoma again ... show more
Reviewed in the United States on December 8, 2025 by jacob michel
    • Works perfect.
Size: 4200 Lumens, 1080p
Very nice. Bright and works perfect.
Reviewed in the United States on December 10, 2025 by Res3366
    • Great value
Size: 4200 Lumens, 1080p
Sharp and bright picture for the money. Minimal rainbowing, but that's expected for the price and size
Reviewed in the United States on December 28, 2025 by Owen Williams

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