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Optoma UHD35STx - Bright True 4K UHD Resolution Short throw Gaming Projector

✓ 2 Year Warranty included
✓ Authorised UK Dealer
✓ Order by 2pm for FREE Next Working Day delivery*

The UHD35STx: A short throw 4K UHD gaming and entertainment projector, delivering bright, high-quality images with ultra-low input lag (4ms) and a 240Hz refresh rate for a competitive gaming advantage. With a compact design, short throw lens, and HDR technology, it's perfect for well-lit spaces, offering a supersized 100" image from just over a meter away. Portable at less than 3.5kg, it's ideal for on-the-go entertainment, featuring integrated speakers and versatile HDMI connectivity. Enjoy immersive Ultra HD gaming, sports, and movies with family and friends in any well-lit environment.

Regular Price £1,349.00
On Sale Price £1,249.00
YOU SAVE 7.41%

240Hz smooth motion

Enjoy ultra-smooth fluid motion and reduced ghosting. A high refresh rate makes it easier to keep track of the action, giving you a better chance of hitting your target earlier. Ideal for fast action gaming.

*1080p240Hz PC gaming

Big screen entertainment

Create and view images far larger than any TV with a projector. You can create a massive up to 300” image*. Perfect for recreating the immersive cinema experience in the comfort of your own home.

*Screen size depends on space available (wall size and distance) and ambient lighting conditions.

True 4K UHD Resolution

Ultra HD 4K resolution delivers sharper, life-like images and richer colours - allowing you to sit closer to the screen and enjoy a more immersive experience.

Our DLP projectors provide CTA (Consumer Technology Association) approved True 4K UHD resolution, capable of projecting 8.3 million on screen pixels. That's four times more detail than Full HD and twice as many from competing technology, which only delivers 4.1 million pixels.

Lights on viewing

This all-round home entertainment projector combines high brightness and vivid colours for vibrant, true-to-life visuals in well-lit environments* - ideal for watching TV shows, sports and movies or gaming with family or friends any time of day.

*With no direct sunlight or lights directed on screen.

HDR and HLG compatible

Our new Debut Carbon EVO does not just look great - it also always stands perfectly level. It uses 3 height adjustable heavy-duty metal feet to ensure a level positioning on every surface.

Controlled playback speeds

Besides being able to effortlessly change replay speeds with the push of a button, the playback speed is electronically controlled with the utmost precision, which results in the most accurate and stable speeds.

Enhanced gaming mode

Enhanced gaming mode optimises your projector for maximum contrast and vivid colours to capture every detail. It also reduces input lag down to as little as 4.2ms (1080p 240Hz) for lightning-fast response times.

Note: When this setting is enabled some settings will be disabled. Please refer to the user manual for more information.*

Four corner correction

Four corner correction enables the keystone of the projector to be adjusted in both the vertical and horizontal plane, so you can individually warp each corner of the projected image to make it perfectly square. Ideal for uneven walls or in spaces where the projector placement is awkward or limited and needs to be installed at an angle.

Backlit remote

Our backlit remotes are designed using subtle white LEDs to light up the buttons, making it to see and operate, especially in the dark

Wall colour adjustment

Don’t have a white wall or a projector screen? No problem! With the “Wall Color” setting, you can alter the projected image based on the colour of your wall. With six options to chose from you can easily adjust for blackboard, light yellow, light green, light blue, pink and grey walls to get the most accurate color gamut.

Amazing Colour

Watch your movies, TV shows and play games with stunning colours in any environment. Optoma projectors provide reliable performance suitable for any content and environment. Our home projectors are capable of reproducing the Rec.709 colour gamut, the international HDTV standard to guarantee accurate reproduction of cinematic colour exactly as the director intended. Or more saturated colours for a punchy looking image, great for gaming and animated movies.

Enhanced Gaming Mode

Enhanced gaming mode optimises your projector for maximum contrast and vivid colours to capture every detail. It also reduces input lag down to as little as 4.2ms (1080p 240Hz) for lightning-fast response times.

Integrated speaker

Enhance your home entertainment with a built-in speaker for exceptional sound and hassle-free setup—no need for external speakers.

USB-Power

Use the USB-A port to power external devices (5V/1.5A)

24p

Optoma projectors preserve the original cinematic experience by accepting high-definition sources at 24 fps, aligning with the director's intent.

More Information
Features

Display/Image

Display Technology: DLP™

Resolution: UHD (3840x2160)

Brightness: 3,600 lumens

Contrast Ratio: 1,000,000:1

Native Aspect Ratio: 16:9

Aspect Ratio - Compatible: 4:3

Keystone Correction - Horizontal: +/-40°

Keystone Correction - Vertical: +/-40°

Horizontal Scan Rate: 31 ~ 135Khz

Vertical Scan Rate: 24 ~ 120Hz

Uniformity: 80%

Screen Size: 0.93m ~ 7.63m (36.43" ~ 300.53") diagonal

 

Lamp Info

Light Source Type: Lamp

Lamp Watts: 240

Lamp Life Hours (Up to): 4000 (Bright), 15000 (Dynamic), 10000 (Eco)

 

Optical

Throw Ratio: 0.5:1

Projection Distance (m): 0.4m - 3.3m

Zoom: 1

Zoom Type: Fixed

Focal Length (mm): 7.51mm

Lens Shift: Vertical +0%

Native Offset: 116%

 

Connectivity

Connections: Inputs 2 x HDMI 2.0
Outputs 1 x Audio 3.5mm, 1 x S/PDIF, 1 x USB-A power 1.5A
Control 1 x RS232, 1 x 12V trigger

 

General

Noise Level (Min): 24dB

Noise Level (Max): 28dB

PC Compatibility: UHD, WQHD, WUXGA, FHD, UXGA, SXGA, WXGA, HD, XGA, SVGA, VGA, Mac

2D Compatibility: 480i/p, 576i/p, 720p(50/60Hz), 1080i(50/60Hz), 1080p(50/60Hz), 2160p(50/60Hz)

3D Compatibility: Frame-pack: 1080p24, 720p50 / 60

3D: Full 3D

Security: Security bar, Kensington Lock, Password protected interface

OSD / Display Languages: 9 languages: English, French, German, Italian, Japanese, Portuguese, Russian, Chinese (simplified), Spanish

Operating Conditions: 5°C~40°C/41°F~104°F, max altitude 3000M/9843ft, max humidity 85%

Remote Control: Backlit home remote

 

Audio

Speaker Count: 1

Watts Per Speaker: 10W

 

In the Box

AC Power Cord

Remote Control

2x AAA Batteries

Basic User Manual

 

Input Lag

Input Lag: 4.00ms

 

Power

Power Supply: 100 ~ 240V, 50 ~ 60Hz

Power Consumption (Standby): 0.5W

Power Consumption (Min): 220W

Power Consumption (Max): 320W

 

Weight and Dimensions

Dimensions (W x D x H) mm: 315 x 270 x 118

Gross Weight: 4.68 kg

Net Weight: 3.5 kg


How will you send my item?

We ship to addresses within the UK using Royal Mail and DPD couriers.

How much does delivery cost?

Standard 2-3 working day delivery is FREE on all orders to mainland UK. Next working day courier service is available on all orders for a small fee of £4.99. On some items this is provided for FREE. 

For orders to UK Non-mainland and International destinations, there will be an additional charge at checkout. Please see below for more information.

How long does delivery take?

Depending on the delivery service you choose, delivery usually takes between 1-3 working days to mainland UK from the moment we despatch your order. Orders to UK non-mainland and international destinations can take longer.

When will you despatch my order?

Orders placed before 3pm are processed and despatched the same day (excluding bank holidays and weekends). Orders placed on weekends will be processed and despatched the following working day.

*Please note that international orders may require extra checks before we are able to despatch your order so timescales may vary.

Can I track my delivery?

Yes - Order tracking is offered as standard on all items, whether they are shipped via DPD or Royal Mail. You will receive your tracking information via email once we have despatched your order. 

UK Non-mainland and International destinations.

Due to the UK leaving the EU, some of our delivery partners have changed the way we ship to international and offshore destinations. This means that for the time being we are unable to ship items to these locations.

We are still accepting orders to these destinations however delivery times and prices are not final. We will confirm via email once we know more from our delivery partner.

Shipping for all items to UK Non-Mainland and International destinations will incur a charge at checkout. This charge is not final and we may need to charge for additional postage if required.

Shipping to international destinations may require further security checks and I.D. may need to be provided by the cardholder. We reserve the right to cancel any orders where you are do not pass our security checks or do not pay for appropriate postage.

Please note that we are unable to ship some items outside the UK. To avoid any disapointment please contact us before making your order.

What do you class as UK Non-mainland?

Rep. Ireland, N. Ireland, Channel Islands, Jersey, Guernsey, Isle of Wight, Isle of Man and Scottish Highlands. If you are unsure whether your address is classed as UK Non-mainland please feel free to contact us and an advisor will be happy to help.

For any further enquiries with regards to your delivery please contact us on 020 8813 7666 and one of our adviser's will be happy to help.


If you're not happy with your item or you've changed your mind.

Even though we're sure you'll be happy with your purchase, it's important that you are aware of how we deal with returns in the event that you need to send something back.

We understand how inconvenient it can be when you buy a product and aren't 100% satisfied with it. For this reason we have designed our returns policy to prevent any further inconvenience to you in these instances.

Under 30 days

  • You can return your goods for a full refund or exchange as long as you inform us of your intention to return the goods within 30 days of receipt, starting from the day after you receive your goods (Exclusions apply, see below.)

  • All return costs are down to the buyer and it is recommended that you return your items using a trackable method with appropriate insurance (if required).

  • Once we have confirmed your return, please ensure that you return the item within 14 days.

  • If a returns number is provided then please ensure that the parcel has this clearly marked.

  • Items need to be returned in "as new" condition in their original packaging. We don't mind if you open the product to check it, however any used or damaged products will be subject to a 25% handling fee so please take care when opening your items. 

After 30 days

  • We will not offer a refund after 30 days of you receiving your delivery unless your product is faulty. 

Exclusions from our returns policy

As we're sure you'll understand, there are some products that we can't offer returns on due to their nature. These include:

  • Special order items and cables cut from a reel (priced per metre). These items will be clearly identifiable.

  • In-Ear headphones due to health and hygiene reasons.

  • Products that include software which require activation.

 Please note that these exclusions do not apply to items that become faulty.

If your product becomes faulty

We endeavour to get your items to you in fully working order, however in the event that your items do become faulty, please read below on what you should do next.

In a lot of cases with some products, faults can be fixed by performing some basic troubleshooting, so to prevent any further inconvenience to you we advise that you contact our Customer Service team who can guide you through some basic troubleshooting before sending items back.

Under 30 days

  • If your items become faulty within 30 days of delivery you are entitled to a full refund or exchange. Please contact our customer service centre who will provide necessary returns details.

  • Please send the items back with a cover note including a description of the fault and your original order number.

  • Once we have fully tested the item and confirmed the fault, we will process the refund or exchange including cost of carriage back to us (within reason).

  • If during our testing we cannot find a fault, no refund will be given and you will be charged for delivery of the item back to you.

After 30 days

  • After 30 days you will still be able to get your faulty items repaired or replaced within the manufacturers warranty and we will be happy to assist you with this. Please contact our customer service team to find out the best way to get your items repaired or replaced. Please be aware that after 30 days we will not cover you for any carriage costs.