Optoma X340UST Projector


In stock

X340UST DLP XGA (1024×768), 4000 Lumens, 16:9, 22,000:1 contrast ratio, screen size 1.78m ~ 2.54m (70″ ~ 100″) diagonal.

In stock

SKU: X340UST- Categories: , Tag:


Ultra short throw projector

Beam bright, eye catching content with the X34OUST projector. Perfect for meeting rooms and classrooms, this projector is designed to be used at any time of day. 

Incorporating an ultra-short throw lens means it can project a 100″ image from less than 0.5m away. Having the projector installed so close to the wall avoids any shadows being cast across the screen from the presenter(s).

Installation and setup is simple with four corner adjustment.

Additionally, it provides a complete package for engaging learning with many new features, including two HDMI inputs, powered USB port, native office viewer and a powerful 16W built-in speaker.

Optoma X340UST Projector


Bright XGA projector – 4000 ANSI lumens

Ultra short throw lens – 100″ image from less than half a metre away

Ultimate Control – Creston, Extron, AMX, PJ-Link and Telnet LAN commands

Feature packed – Four corner adjustment, Office viewer, optional wireless presentations

Ultra Short Throw

With an Ultra-short throw lens, you can project an impressive image greater than 100″ from less than a metre away. This allows you to place the projector closer to the wall, reducing shadows so you can present with ease; perfect for interactive applications.

Amazing colours

Give powerful presentations and educational lessons with stunning colours. Optoma projectors provide reliable colour performance suitable for any content and environment. From accurate sRGB colours for lifelike images to vibrant punchy presentations. We have a display mode to specific meet your needs. Perfect for a range of graphic and video presentations.

Superior contrast

Add more depth to your image with a high contrast projector. Compared to competing technology, Optoma DLP projectors provide you with brighter whites and ultra-rich blacks, images come alive and text appears crisp and clear – ideal for business and education applications.

Native office viewer

Give presentations directly from your projector without the need of a laptop or PC using the built-in office viewer. Simply copy your Word, Excel, Powerpoint, PDF or JPEG files to a USB stick, SD card or microSD (depending on the projector input*) and display them on the big screen.

*See projector specs for a full list on inputs



USB display

Connect your projector directly to a laptop and display the desktop using a USB cable. No need for a bulky VGA lead.




Featuring a wide range of options you can control and monitor the projector remotely.

RS232 Optoma projector’s come with an extensive set of RS232 commands making it simple and easy to manage using any control system.

AMX compatible Dynamic discovery protocol is incorporated into the projector allowing for easy installation with AMX control systems.

Creston RoomView using the compatible RoomView® software you can power on/off, monitor, manage and control up to 250 projectors at the same time from any computer.

Extron IPLink compatible allows for easy installation with Extron control systems.

LAN display

Display your PC or laptop screen on the projector via the network connection*. *EZCast Pro software required on your device

Wireless presentation

Wireless presentations

Instantly connect and present wirelessly from your PC, Mac or mobile device using the free EZCast Pro App* and optional wireless USB dongle. The app gives you the freedom to wirelessly share and present documents, photos and your devices camera turning it into a document camera. Creating a more connected and collaborative experience for everyone.

* Available on Windows, MacOS, android and iOS


Four corner correction

Adjust the keystone in both the vertical and horizontal plane. You can individually warp each corner of the image to create a perfectly square image. Ideal for uneven walls or where projector placement is awkward and needs to be installed at an angle.


Full 3D

Optoma projectors can display true 3D content from almost any 3D source, including 3D Blu-ray players, 3D broadcasting and the latest generation games consoles

Integrated speaker

A powerful built-in speaker provides exceptional sound quality and an easy setup without the need for costly external speakers


Use the USB-A port to power an HDMI dongle, such as Google Chromecast.

Remote mouse with built-in laser pointer 

Keep your audience’s attention focused on the right things using the simple, yet powerful remote with mouse control and built-in laser pointer.


Eco+ technology brings together high contrast, improved lamp life and energy saving features that are easy to use while reducing power consumption.

Energy saving

Using the specially designed lamp modes, you can reduce the power consumption by up to 70%. Each mode also has a positive effect on the lamp life, while lowering the total cost of ownership and reducing maintenance.

Eco AV mute

Stay in control of your presentation with Eco AV mute. Direct your audience’s attention away from the screen by blanking the image when no longer needed. This also reduces the power consumption by up to 70%, further prolonging the life of your lamp.

Quick resume

This feature allows the projector to be instantly powered on again, if it is accidentally switched off.

Auto power off

There may be instances when the projector is left running when not in use. To help save energy, the “auto power off” feature automatically turns off the projector after a set period of time if it is not being used

Direct power on

The projector will start up instantly when power is supplied to the unit. This eliminates the need to manually turn on the projector via the remote control or the keypad, ideal for use in rooms with a “master” power switch.

Direct power off

Power off your projector immediately or directly at the mains. This means you don’t have to wait for the projector to cool down before turning it off.

24/7 operation

Optoma projectors have been designed to operate 24 hours a day in standard orientation. Perfect for applications where prolonged periods of use is required. Subject to 24 hour terms and conditions.

24/7 Operation – standard lamp warranty applies. Projector warranty is based on standard business usage hours. For optimum performance Optoma recommends that your projector is turned off or placed in standby mode for 30 minutes every 24 hours to prolonging the life of your lamp.

EPSON® replacement adapter


Update your EPSON® ultra-short throw projector with an Optoma UST projector without changing your existing mount or white board.


Display technology DLP
Resolution XGA (1024×768)
Brightness 4,000 lumens
Contrast ratio 22,000:1
Native aspect ratio 4:3
Aspect ratio – compatible 16:9 Keystone correction – horizontal +/-4°
Keystone correction – vertical +/-4°
Horizontal scan rate 15.375 ~ 91.147Khz
Vertical scan rate 24 ~ 85(120 for 3D)Hz
Uniformity 80%
Screen size 1.78 ~ 2.54m (70″ ~ 100″) diagonal

Light source type Lamp
Lamp watts 240
Lamp life hours (up to) 4000 (Bright), 12000 (Dynamic), 10000 (Eco), 15000 (Eco+)

Throw ratio 0.33:1
Projection distance (m) 0.47m – 0.68 
Zoom type Fixed
Focal length (mm) 3.72
Native offset 120%

Inputs 1 x HDMI 1.4a 3D support + MHL, 1 x HDMI 1.4a 3D support, 1 x VGA (YPbPr/RGB), 1 x Composite video, 1 x Audio 3.5mm, 2 x USB-A reader/wireless
Outputs 1 x VGA, 1 x Audio 3.5mm
Control 1 x RS232, 1 x RJ45

Noise level (typical) 26dB
Noise level (max) 28dB
PC compatibility FHD, UXGA, SXGA, WXGA, HD, XGA, SVGA, VGA, Mac
2D compatibility NTSC M/J, 3.58MHz, 4.43MHz PAL B/D/G/H/I/M/N, 4,43MHz SECAM B/D/G/K/K1/L, 4.25/4.4MHz 480i/p, 576i/p, 720p(50/60Hz), 1080i(50/60Hz), 1080p(50/60Hz)
3D compatibility Side-by-Side:1080i50 / 60, 720p50 / 60 Frame-pack: 1080p24, 720p50 / 60 Over-Under: 1080p24, 720p50 / 60
3D Full 3D
Security Security bar, Kensington Lock, Password protected interface
OSD / display languages 25 languages: Arabic, Czech, Danish, Dutch, English, Farsi, Finnish, French, German, Greek, Hungarian, Indonesian, Italian, Japanese, Norwegian, Polish, Portuguese, Romanian, Russian, Chinese (simplified), Spanish, Swedish, Chinese (traditional), Turkish, Vietnamese
Operating conditions 5°C ~ 40°C, Max. Humidity 85%, Max. Altitude 3000m
Remote control Data remote with laser and mouse function
Speaker count 1
Watts per speaker 16W
In the box AC power cord, Remote control, 2x AAA batteries, Basic user manual
Operating system compatibility Windows 7 / 8 / 8.1 / 10, MacOSX 10.9 +, Android 4.0+, iOS 8+
Optional wireless models QuickCast Bundle, QuickCast starter kit, WHD200, WUSB

LAN – control Yes
LAN – display Yes
LAN – wireless networking Yes – optional

Power supply 100 ~ 240V, 50 ~ 60Hz
Power consumption (standby) 0.5W
Power consumption (min) 200W
Power consumption (max) 275W

Dimensions (W x D x H) mm 343 x 383 x 112
Gross weight 5.76 kg
Net weight 4.89 kg

Additional information



Projector Aspect Ratio

16:9, 4:3

Projector Brightness

4000 – 4999 ANSI Lumens

Projector Features

Built-in Speaker, XGA (1024×768)

Projector Type

Projector Connections


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