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The Viewsonic PX701-4K features a bright a 3200 ansi lumens, ultra high definition 4K UHD resolution via upscaling technologies (3840 x 2160 pixels, 16:9 aspect ratio) and a 1.5 -1.65:1 lens ratio with 1.1x optical zoom. Manual horizontal and vertical keystone image adjustment are present (usually only vertical keystone is available at this price point on competitor models) as well as 4 corner adjustment to provide a square image even if you cant quite position thePX701-4K projector square on to your screen.
The USB-A power output (5v/1.5A) can be used from the projector to power HDMI streaming devices such as Amazon Firestick 4K to provide streaming services such as Prime, Netflix and Disney+
Price Vs Spec, the PX701-4K is very hard to beat and our projector of choice at this price point.
For recommendations for choosing your screen size please see our Screen size advice page.
To make sure this projector is the right fit for you room
The PX701-4K is a 3,200 ANSI Lumens high brightness 4K UHD home projector, a great value choice for upgrading to 4K. Take in impressive visuals in true 4K clarity supporting HDR/HLG, or upgrade your gaming experience to the next level with 4.2ms Ultra-Fast Input and 240Hz refresh rate. Projecting up to 300 inch screen on any surface is easier than ever thanks to its powerful warping, auto V keystone, H/V keystone and 4-corner adjustment. In addition, the energy-efficient 20,000 hours long lamp life provides a lower total cost of ownership than a typical lamp projector.
True 4K Clarity with HDR/HLG Support
In addition to the stunningly detailed images that true 4K resolution can offer, the projector also supports HDR and HLG content to produce more dynamic-looking images and bringing flat images to life with more displayable information in the darker and brighter parts of a scene.
Ultimate Gaming Experience with Ultra-Fast Input
Say goodbye to motion blur and missed attacks due to input lag! With our 4.2ms Ultra-Fast Input* and hyper-responsive 240Hz refresh rate, plus the microsecond-level response time**, you can game with low delay and seamless viewing of fast-moving objects that would bring your KDA to the next level. *To enable 4.2ms Ultra-Fast Input, turn it on in Advanced Settings and make sure the input content is with 240Hz refresh rate. When enabled, the highest resolution supported is 1080p. **The response time stated refers to the reaction time of DMD chip.
Effortless Image Adjustment
Be it on the side table in the living room, bedroom or any other location you like, the projector can provide perfectly shaped images with comprehensive H/V keystone and 4 corner adjustment capabilities. The auto V keystone further frees you from manual adjustments no matter how you tilt the projector, up or down.
Perfect Projection Even on Curvy Surface
Who says projection only works on a flat surface? With our advanced Projector Warping Tool, the distorted image can be perfectly shaped through multiple point adjustments, even when projected on a spherical shape, a cylinder, etc.
Incredibly Clarity Day or Night
Boasting 3,200 ANSI Lumens high brightness, the PX701-4K projects consistent bright and clear images for you to spontaneously enjoy gaming and sports, anytime, or anywhere.
Larger Screen Size, Lower Cost-Per-Inch
Compromise no more. Immerse yourself in over-100” stunning audiovisuals with flexible installation and effortless transportation which saves time, manpower and money.
Reliable Long-Term Lifespan
The latest SuperEco+ mode technology greatly extends the lamp life of the projector from 15,000 hours to 20,000 hours – meaning 4 hours a day for more than 13 years – saving you maintenance cost and effort.
Customise Colour Profiles As You Wish
By using a cloud-based colour profile exchange, users can create their own colour profile to fit their preferences and share with others. Also, users can download other profiles from their projectors and fine-tune them as their own. Learn more: https://youtu.be/ShwE_dswXYk
A Simpler Way to Update Projector Software
ViewSonic Projector Software Update is available online and enables you to keep your projector firmware up to date easily and conveniently with your laptop and USB cable connection; no need to take your projector into a service center for software updates. Learn more: https://youtu.be/irlhJLpDHas *The latest projector software update can be found in the download section at the bottom of the page when available.
ViewSonic’s proprietary SuperColor Technology displays a wide colour range, ensures that users enjoy a true-to-life colour performance in both bright and dark environments without sacrificing image quality.
Satisfying Audio Performance
The projector is embedded with a 10W speaker to deliver satisfying audio performance right out of the box. 10W Speaker
USB Type-A Power Supply for HDMI Wireless Dongles
A built-in USB power output (5V/1.5A) can be used to supply power HDMI wireless dongles, like Chromecast, Amazon Fire TV stick, etc., eliminating the need for separate power adapters when streaming your favourite multimedia content.
A More Comfortable Viewing Experience
Utilising reflective light, which bounces off the wall or projector screen before hitting your eyes, the projector makes the viewing experience virtually blue light free, less invasive to your sight and reduces eyestrain over prolonged viewing periods.
USB for display and control
USB Type A for power
USB for PC Less Presentation
RJ45 For Control/Monitoring
RS232 For Control
Dimensions (W x H x D) in cm
31.2 x 10.8 x 22.2
Fan Noise (db)
Fan Noise in Eco Mode (db)
Audio Output (Watts)
Lamp Life (Hours)
Lamp Life Eco Mode (Hours)