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ViewSonic PX749-4K Projector

Lumens 4000
Resolution (Native) 4K UHD 3840x2160
Contrast 12,000
Technology DLP
Light Source Lamp
Light Source Life (Est.) 20000
SKU PX749-4K
Weight (kg) 3.000000
EAN 0766907020076
Throw Ratio 1.13-1.47
£1,044.00 £870.00
This is a fantastic projector for home entertainment and gaming. The PX749-4K is a 4,000 Lumens 4K home projector designed for Xbox, driving the ultimate gaming experience with Xbox-exclusive resolution and refresh rate combinations. The projector shines in value and brightness as well as delivers... Read more
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Ideal for Home
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Designed For XBOX
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This is a fantastic projector for home entertainment and gaming. The PX749-4K is a 4,000 Lumens 4K home projector designed for Xbox, driving the ultimate gaming experience with Xbox-exclusive resolution and refresh rate combinations. The projector shines in value and brightness as well as delivers pixel-perfect visuals in true 4K UHD clarity with HDR/HLG support. Boasting a Harman-tuned speaker, the PX749-4K elevates audiovisual enjoyment, so you can fully lose yourself in the game. Experience a whole new level of playing with 4.2ms Ultra-Fast Input, a 240Hz refresh rate, and USB-C connectivity for direct streaming from Nintendo® Switch. Set up faster and easier than ever with 1.3x optical zoom, warping, H/V keystone and auto V keystone, capable of creating a screen of up to 300” on any surface. PX749-4K is also a perfect addition to your smart home, with LAN control capability that's compatible with home automation systems and 12V trigger output.

Game On with “Designed for Xbox” The PX749-4K supports Xbox-exclusive resolution and refresh rate combinations, and automatically adjusts to the most ideal settings. Rest assured, you'll get the most out of your gaming experience. ​*When connecting to Xbox console via HDMI 2, the projector will switch to gaming mode by default.​

Ultimate Viewing Experience with 4K HDR Enjoy the crystal-clear detail of true Ultra HD and savor dynamic visuals thanks to HDR/HLG and 3D support. With an HDMI 2.0b/ HDCP 2.2 port, the PX749-4K ensures original 4K quality content, so games, sports, movies, and all your favorite streaming content are brought to life.

Harman-Tuned Speaker Brings Powerful Audio The projector boasts a Harman-tuned speaker to deliver powerful audio. When combined with the 4K UHD images, this ensures an all-around audiovisual feast.​

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Up-to-300” Screen Size for a True Cinematic Experience The PX749-4K allows for an up-to-300” image, surpassing what all traditional screens can offer, to deliver a true cinematic experience from the coziness of your home.

Ultra-Fast Input for a Flawless Gaming Experience Boasting 4.2ms Ultra-Fast Input*, a hyper-responsive 240Hz refresh rate, and a microsecond-level response time**, the PX749-4K delivers seamless viewing in high intensity situations.​* The general refresh rate of the projector is 60Hz. To enable 4.2ms Ultra-Fast Input, turn it on in Advanced Settings and make sure the input content is set to 240Hz refresh rate. When enabled, the highest resolution supported is 1080p. ​​**The response time stated refers to the reaction time of DMD chip.​​

Direct Content Streaming via USB-C Project content directly from your phone or any other mobile device while simultaneously charging it via a USB-C cable. Stream videos, FaceTime with friends, or play Nintendo® Switch on the big screen without a docking station, all via a single cable.​*Devices must support USB-C video streaming.​*Apple-authorized Lightning to HDMI adaptor required for iPhone and iPad users.​

Shape Your Gaming Experience With warping adjustment, adapt your screen to any projection surface and take advantage of curves for an always more immersive gaming experience.

A Perfect Fit for Any Environment Equipped with a 1.3x optical zoom lens, you can choose any location within a range for set-up to get the desired image size, all without needing to change any existing interior design.

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Effortlessly Project from All Angles Central positioning is no longer necessary with comprehensive H/V keystone, 4 corner adjustment, and auto V keystone capabilities. The PX749-4K delivers perfectly-shaped images from above, below, front, or side, making setup a breeze.

Enjoy the Simplicity of Unified Smart Systems Compatible with AV solutions like Creston, AMX, PJ Link, ATEN, Extron and ViewSonic vController, the PX749-4K is the perfect addition to your smart home setting.

Set Up Your Home Cinema with Ease Equipped with 12V trigger output, as soon as you power up, your curtains will close and your projector screen will automatically lower, so you can sit back and enjoy the comfort of your home cinema.

Jazz it Up with Cinematic Colors ViewSonic’s SuperColor™ Technology offers a wide color gamut for a cinematic, true-to-life color performance without sacrificing image quality.

Customize Your Own Color Profiles​ With a cloud-based color profile exchange, you can easily create your own color profile to fit your preferences and share with others. Or choose to download other profiles and fine-tune them as your own.

Specifications
Item PX749-4K
Weight (kg) 3.000000
EAN 0766907020076
Technology DLP
HDMI Inputs 2
Input Lag (ms) 4.2
Contrast 12,000
Lumens 4000
Throw Ratio 1.13-1.47
Resolution (Native) 4K UHD 3840x2160
Light Source Lamp
Light Source Life (Est.) 20000
More Info.
  • Gaming Projector
  • 4000 Lumens
  • 4K UHD
  • 1.13-1.47:1 Throw Ratio
  • 12,000:1 Contrast Ratio
  • 3KGs.

Delivery Rates to mainland UK (excluding large and/or heavy items)

Delivery is to ground floor/kerbside only, if you have special delivery instructions you must contact us to ensure that we can have the best chance of success in delivering the item. We required items to be signed for.

Delivery dates are Monday to Friday unless otherwise specified

Delivery cut off is 3-4pm on most items - earlier time exceptions are large items, high value items, items requiring a pallet (i.e bulk orders) or items which direct ship from the manufacturer or supplier. If you order after cut-off then the order is processed the next day, that means if you ordered Tuesday at 8pm at night, the next day delivery option (if applicable) is Thursday as the order is processed on the Wednesday.

On a large number of items we offer a free delivery service.

Delivery Rates to Highlands, Islands, Northern Ireland & Remote Areas - (excluding screens and Touch Screens)

Non mainland and the Highlands and Islands - this includes anything that goes over water that does not have road access. These rates are determined by couriers based on postcode. If there are multiple items then we may need to quote you for delivery.

This should automatically calculate at the checkout when you enter your address, but sometimes needs to be calculated on a case-by-case basis, please contact us for a quote in this instance.

Screens & Digital Displays

These also have a standard rate ranging upwards from £15 + VAT depending on the size of the product and delivery location, for particularly large/heavy items this is quoted on a case-by-case basis please contact us for a price.

Delivery Rates to Republic of Ireland & rest of EU

We can still ship most items outside of the UK, however, this is quoted on a case-by-case basis so orders cannot be placed through the online checkout without a quoted delivery fee. We can also supply the goods with zero-rated VAT for exports outside the UK. Goods are supplied on DAP Incoterms for exports and we can also accomodate for you to use your own courier to collect the goods from us.

Returns

Faulty Items

Goods Reported Faulty Within 14 Days of Receipt.

If you have a faulty item and are reporting the fault within 14 days of receipt. When the goods are returned to us complete, we’ll issue a full refund to you via your original payment method. We will try and ensure that there is a fault, that often requires is running diagnostics or getting the manufacturer to speak to you directly to determine whether there is a genuine fault rather than just a set up error. 

Goods Damaged in Transit

If your goods were damaged in transit it must be reported to us within 3 days. If goods are visibly damaged on receipt the delivery note must be marked accordingly. Once the damaged goods have been collected and received back into our warehouse, we’ll issue a refund via your original payment method. We will require pictures of the damage.

Consumers - If You Have Changed Your Mind – this is for personal use not business or organisations

If you are a private consumer and have changed your mind as long as the goods have not been in your possession for over 14 days, and the item can be sold again as new, then you are entitled to return the goods to us. If the item you are returning is a projector, the lamp hours used must not have exceeded 2 hours otherwise a re-stocking fee will be applied. The cost of returning items is the responsibility of the customer. As new means in original packaging with complete accessory packs and manuals. If any item is marked/damaged, including the packing, there may be a restocking fee. Please contact us directly before sending any goods back to obtain an RMA number without this there may be a delay in dealing with your return. If you purchased for a company, or an organisation you are not deemed a Consumer by law.

About Projectors

Buying a projector can be a daunting task with so many things to consider like: how bright does it need to be, how far away does it need to be from the screen, how do I connect my device to it, and all the while keeping within a budget - this is why we have trained advisers ready to chat or call us on 01256 882629

Brightness is often misunderstood. Many people assume that the brighter a projector is, the better the image will be — but that’s not always true. Yes, in brightly lit environments like churches, school halls, and exhibition spaces, a higher lumen rating is essential to cut through ambient light and ensure the picture remains clear and vibrant. However, in darker settings — especially in home cinemas where you can control the lighting — excessive brightness can actually hurt the viewing experience. Too much light output in a dark room can flatten contrast and wash out colour depth, making films look less cinematic and more clinical. For the richest colour fidelity and shadow detail, you’re often better off with a moderately bright projector paired with a dark, controlled space. So, it’s not about going as bright as possible — it’s about choosing the right brightness for your environment.

Resolution plays a massive role in overall image quality, especially when you're watching content up close or projecting onto a large screen. For home cinema setups, 1080p is generally considered the minimum standard for a satisfying HD experience. That said, if you’re setting up a dedicated movie room or want the absolute best in detail, clarity, and future-proofing, Ultra HD or True 4K is the way to go. You’ll see more texture in skin tones, finer detail in shadows, and text will appear sharper across the board. In environments where image detail isn’t the priority — such as classrooms, training spaces, or basic business use — WXGA resolution may still be perfectly acceptable, particularly for simple PowerPoints or text-heavy presentations. But when visual impact matters, always go for the highest resolution your space and budget can support.

Throw ratio is one of the most overlooked yet crucial elements when choosing a projector. It defines how far the projector needs to be from the screen to produce a certain image size. A smaller throw ratio means the projector can sit closer to the screen — perfect for tight spaces or rooms where rear wall mounting isn't an option. Ultra-short throw models, for instance, can produce a 100-inch image from just a few inches away. However, throw ratio isn’t one-size-fits-all — it also depends on your desired screen size, room depth, and how much flexibility you have in mounting or placement. If you're unsure whether your space will accommodate the projector you have in mind, we strongly recommend reaching out to us. We can run a few quick calculations based on your room dimensions and recommend the best model with the throw ratio that works for you.

Connectivity -When buying a projector, it’s important to understand the types of connections you'll need. Most users should look for HDMI ports for modern media players, USB-C or DisplayPort for laptops, and even legacy options like VGA if you’re working with older hardware. Audio out ports are essential if you plan to route sound through external speakers, and wireless casting technologies like Miracast or AirPlay are incredibly useful for seamless screen sharing. For gamers, HDMI 2.1 support is a big plus for low latency and higher refresh rates, while business users often benefit from wireless presentation options that allow fast, cable-free content delivery. It’s also worth checking compatibility with streaming sticks, games consoles, laptops, or surround sound systems to ensure smooth setup across all your devices.

Built-in Sound vs. External Audio -Some projectors come with built-in speakers, but don’t expect cinema-level sound. While these are fine for occasional use or casual viewing, they often lack bass, depth, or volume. If you're serious about immersive audio—especially for home theatre or event use—consider pairing your projector with a soundbar, Bluetooth speaker, or even a dedicated surround sound system to match the visual quality with audio performance.

Keystone Correction, Lens Shift & Mounting Options- Image alignment is another factor often overlooked. Keystone correction allows you to digitally square off an angled image, which is useful if the projector isn’t positioned head-on, but optical lens shift is the superior solution for maintaining image clarity and geometry. Depending on your setup, you’ll also want to know if the projector can be ceiling-mounted, placed on a table, or even rear-mounted for hidden installs. Portable, fixed, or motorised options are all available, depending on your level of flexibility.

FAQ Projector buying questions

Do you know your room size and how much space you have to project?
Understanding your available space is crucial. Room dimensions directly impact which throw ratio you need and what screen size is achievable. If you’re in a small or shallow room, a short throw or ultra-short throw projector may be essential. In larger spaces, standard or long throw models will give you more flexibility. We can help you calculate this if you’re unsure.Have you thought about the ideal screen size for your space?
Screen size isn’t just about going big — it’s about balance. Too large, and your image may lose sharpness; too small, and the impact is lost. Consider how far your viewers will sit and how wide your wall or screen area is. A 100–120 inch screen is popular for home cinema, but business setups may benefit from more modest sizes for clarity and legibility.

Can you control the lighting in the room?
If you can darken the room with blinds or blackout curtains, you won’t need an ultra-bright projector — and you’ll enjoy richer colours and deeper contrast. But in rooms with lots of natural or overhead lighting (like classrooms or meeting rooms), you’ll want a projector with higher brightness, typically 3,000 lumens or more. 
What devices will you be connecting to the projector?
Knowing what you’ll connect—laptop, gaming console, streaming stick, mobile device—helps determine what inputs and features you’ll need. HDMI is a must for modern setups, while USB-C or wireless casting may be preferred for minimalist installs. Don’t forget audio outputs if you're planning to connect a sound system.

Will the projector be used for movies, work, teaching, gaming, or events?
Your use case matters. Movie lovers will want high resolution and great contrast. Professionals need reliable brightness and sharp text. Educators benefit from ease of use and durability. Gamers require low input lag and fast refresh rates. Event organisers will need high brightness and flexible lens options.

Do you want fixed installation or portability?
If your projector will stay in one place, ceiling or shelf-mounted models with lens shift and keystone correction are ideal. For shared spaces, mobile setups, or outdoor use, consider lightweight projectors with carry handles, fast keystone adjustments, and auto-focus features. 
What’s your maintenance expectation and long-term budget?
Traditional lamp projectors cost less up front but require bulb replacements. Laser and LED models last far longer—up to 30,000 hours—and need little to no maintenance. They also use less power and turn on instantly, which is great for both convenience and the environment.

Do you need help setting up or installing the projector?
If you’re unsure about mounting height, throw distance, or image alignment, we’re here to help. From simple home installs to complex venue planning, our team can provide expert advice, support, and accessories to make sure everything runs smoothly from day one.

 

I hope this helps with your search but if you still need some help then just give us a shout or read our more in-depth Projector Buying Advice Guide.

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About Just Projectors

We’re here to help you choose the right projector or display - we've been doing it since 2001. Call us to talk through your requirements with our trained team. For higher-end models, we may be able to arrange a loan or demonstration.

We supply leading brands such as Epson, Sony, BenQ, ViewSonic, Panasonic and NEC. Because it’s easy to buy the wrong model, we offer real advice — not just an “add to cart” experience. We compare products side-by-side, offer a price promise, and only supply UK stock for stronger warranty support and genuine peace of mind. We avoid low-quality brands with unverified lumen and resolution claims.

We deliver across the UK and Ireland, with a 2–4 day service to Ireland.