Optoma W309ST


Short throw projector
Built-in 10W speaker
28dB low noise
Bright 3500 lumens
Versatile connectivity

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Full 4K, 8 million pixel display, perfect pixel alignment and great contrast
Bright 3,600 lumens and stable output, achieves 1,200,000 : 1 Contrast
Wide Colour Gamut Mode that achieves 95% DCI-P3 Coverage
HDR 10 & HLG Supported for Brightest Whites, Deepest Darks, and Lifelike Colors
Superb gaming experience with extremely low 4ms Input Lag for 240Hz at 1080P, 16.9ms for 60Hz at 4K UHD
Auto detect and display Super Ultra Wide 21:9/32:9 screen for immersive panoramic view
Smart Home with Optoma Marketplace, File Manager, Creative Cast App, and more
Easy installation with 1.3x zoom, 4-corner adjustment, 2D keystone correction, and warping

Introducing Optoma UHD55 smart projector for home. To create a personal home theatre or to set up a home office/school environment, UHD55 is perfect any way. UHD55 delivers true 4K UHD resolution with the breathtaking images. With Wide Colour Gamut mode with 95% DCI-P3 coverage, UHD55 delivers authentic and lifelike colors, suitable for movies and games filled with brilliant colors or artsy hues that support HDR and HLG metadata.

UHD55 also comes with the upgraded Smart Home features including Optoma Marketplace, File Manager, Creative Cast, and connectivity with voice assistants, offering the comprehensive home entertainment experience. With the ability to implement 4-corner adjustment, 2D keystone correction, vertical lens shift, powered 1.3x zoom, and warping at 3*3 matrix, UHD55 is perfectly easy to install in any room at home, or to create a simulation scenario.

Bright WXGA projector – 3800 ANSI lumens
Short throw lens – 100″ image from just over a metre away
Easy connectivity – HDMI, VGA, USB power
Clear, powerful audio – 10W speaker

Display Technology

Native Resolution
WXGA (1280×800)

3500 ANSI Lumens


Light Source

Lamp Life
6000/10000/10000/15000 hrs (bright/ ECO/ Dynamic/ ECO+ mode)

Throw Ratio
0.52 :1

Zoom Type

I/O Connectors
HDMIx1,VGA-in x1,VGA-out x1,Composite x1,USB x1,Audio-in x1,Audio-out x1,RS232 x1

Speaker (Watts)

Weight (Kg)

Dimensions (W x D x H) (mm)
316 x 244 x 98

Aspect Ratio
16:10 Native, 16:9 and 4:3 Compatible

Projected image size
35.64” – 302.98”

Projection Distance
0.4 ~ 3.4m

Projection Lens
F=2.8 ; f=7.51mm

Displayable Colors
1073.4 million colors (10 bit)

Noise Level
28dB (Eco mode)

Power Supply
100-240V, 50-60Hz, auto-switching

Lamp Type



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