HD-Ready Short Throw Gaming Projector


  • Project a 120″ image from less than five feet away for a cinematic experience
  • Excellent companion for Nintendo Switch, Xbox One S and PS4
  • Bright 3,600 lumens image and remarkable 20,000:1 contrast ratio for amazing quality
  • Full 3D delivers an immersive gaming experience
  • Long lamp life up to 10,000 hours for economical operation
  • Bring gaming to any room in the house or gaming night out at a friend’s house
Immersive gaming and movie experience from several feet away

Upgrade your game time with a large image with the 3,600 lumens, HD compatible and short throw Optoma GT770 projector. The 0.52:1 short throw lens enables 120-inch projections from less than five feet away for an immersive gaming experience in space-constrained environments.

Vertical keystone support simplifies placement for easy installation while robust input options, including HDMI, VGA and composite enable connectivity to a wide range of new and legacy gaming devices. Up to 10,000 hours of lamp life enable many years of use with minimal maintenance.

Available for purchase at these online retailers:

DLP Technology®

DLP® (Digital Light Processing) is a proprietary technology from Texas Instruments™ that offers digital projection with higher contrast, faster response time, good pixel structure and virtually no color degradation.

Full 3D

Display true 3D content from almost any 3D source, including 3D Blu-ray Disc™ players, 3D broadcasting, and the latest-generation game consoles. Support for 144Hz rapid-refresh rate provides ultra-smooth flicker-free images. 3D glasses are needed and are sold separately. Refer to user manual for details.

Short Throw Projection

Project images in limited space environments with short-throw projection. The short-throw lens requires short distances to project large images.

Amazing Color

Our projectors are capable of reproducing the Rec.709 color gamut, the international HDTV standard to guarantee accurate reproduction of cinematic color exactly as the director intended.


HDMI Link lets you to turn on and off two or more HDMI-CEC capable devices using a single remote control.

MHL Connectivity

Turn your projector into a smart display by connecting your smartphone or tablet with a single cable using MHL; now you can view presentations and documents, stream videos and share photos on the big screen.

Additional information

Aspect Ratio16:10 (native), 16:9, 4:3, LBX and auto compatible
Audio10W speaker
Brightness3,600 ANSI lumens
Color WheelRYGCWB
Connections1x HDMI, 1x HDMI(MHL), 2x VGA, 1 x VGA out, 1x composite, 1x USB, 1x audio in, 1x audio out, 1x Mic in, 1x RS232, 1x RJ45
Contrast Ratio20,000:1
Control UnitCrestron Roomview, RS-232, RJ45
Display TechnologyTexas Instruments 0.65″ WXGA DMD
Displayable Colors1.07 billion
GeometryVertical keystone
Image Size35.64″ – 302.98″
Keystone Correction±20° Vertical
Light Source LifeUp to 10,000/10,000/6000 (Dynamic/Eco/Bright)
Light Source Type203W Lamp
Maximum Resolution1080p (WUXGA)
Noise Level28dB (Eco)
Offset115% ±5%
Operating Temperature41–104°F (5–40°C), 85% max humidity
Power Consumption243W typical (Bright), 267W max (Bright), 237W typical (Eco), 261W max (Eco)
Power SupplyAC input 100–240V, 50–60Hz, auto-switching
Projection Distance1.31′ – 11.15′
Projection LensF=2.8, f=7.51mm
Projection MethodFront, rear, ceiling mount, table top
Remote ControlFull size remote
Resolution720p (WXGA)
Throw Ratio0.52:1
Zoom Type0.8 – 2.0x digital, Fixed optical
3D CompatibilitySupports all HDMI 1.4a mandatory 3D formats (Frame pack, side-by-side, top-bottom) and up converts frame rate from 60Hz to 120Hz or 24Hz to 144Hz. 3D glasses are needed and are sold separately.
Computer CompatibilityVGA, SVGA, HDTV(720P), WXGA, WXGA+, SXGA, SXGA+, UXGA, HDTV(1080p), WUXGA
Horizontal Scan Rate15.375-91.146 KHz
Vertical Scan Rate50-85 Hz (120Hz for 3D feature projector)
Video CompatiblityPAL, SECAM, 576i/p, NTSC, 480i/p, HDTV 720p/1080i/1080p
Dimensions12.44″ x 4.27″ x 9.56″
SecurityKensington® lock port
Weight6.7 lbs.
What's in the Box?GT770, AC power cord, remote control, batteries, quick start user manual
Accessories Part NumbersLamp (replacement): BL-FU200D, Mounting Plate: BM-4002p, Remote (replacement): BR-5053C, Universal wall mount: OWM3000ST
Warranty Info1 Year limited parts and labor warranty on the projector, 90 days lamp warranty
Inputs1x HDMI, 1x HDMI(MHL), 2x VGA, 1x composite, 1x USB, 1x audio in, 1x Mic in
Outputs1x VGA out, 1x audio out
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  • GT770_UM

  • GT770 Datasheet

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