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White rectangular DLP projector with front lens and top controls

ViewSonic

ViewSonic PX749-4K 4000 ANSI Lumens 4K business projector

SKU CH-S13E-6252Z

Delivers true 4K UHD images at 4000 ANSI lumens with 4.2 ms input lag and 240 Hz refresh rate for screens up to 300 inches

  • Screen diagonal30-300
  • Image brightness4000 ANSI Lumens
  • Panel resolution3840 × 2160
  • Highest resolution3840 × 2160
  • Screen ratio16:9
  • Contrast12000:1 Static Contrast Ratio
  • True 4K UHD resolution with 3840 x 2160 native pixels
  • Bright 4000 ANSI lumens for clear images in lit rooms
  • Ultra-low 4.2 ms input lag and 240 Hz refresh for responsive gaming
  • Flexible setup via 1.3x optical zoom and ±40° keystone correction
  • Harman-tuned built-in speaker for immersive audio without extra gear

True 4K UHD business projector

The ViewSonic PX749-4K is a DLP projector delivering 3840 x 2160 native resolution with 4000 ANSI Lumens brightness and 12000:1 static contrast. It suits offices and classrooms needing large, vivid images on screens from 30 to 300 inches.

Check power, throw distance and signal sources

Verify the 100-240 VAC supply matches your mains and that the 0.75m to 9.76m throw range fits the room layout. Confirm your source devices can output 3840x2160 at 60Hz or 1440p at 120Hz to use the 4.2ms input lag and 240Hz refresh capabilities.

White cabinet with 1.3x zoom and flexible keystone

The 3 kg unit measures 31.2 x 22.2 x 10.8 cm and includes a 1.3x optical zoom plus horizontal and vertical keystone correction up to 40 degrees for off-centre placement. Built-in Harman-tuned speakers handle basic audio, while the lamp is rated for 20000 hours of operation.

How it compares

Measured against everything we stock in Presentation Projectors, at today’s prices. Recalculated every night.

Price $885.99
Pricier than about 82% of the 608 comparable items (median $157.99).

Specifications

Product
Brand nameViewSonic
Model namePX749-4K
Case colorWhite
Product typeDLP
Display
Screen diagonal30-300
Image brightness4000 ANSI Lumens
Panel resolution3840 × 2160
Highest resolution3840 × 2160
Screen ratio16:9
Contrast12000:1 Static Contrast Ratio
Projection ratio1.13-1.47
Colors displayed1.07 Billion
Projection distance0.75m-9.76m
Keystone adjustmentH:+/-40° , V:+/-40°
Lamp lifespan20000
Audio & video
Integrated speakersYes
Power
Power supply100–240 VAC, 50/60 Hz
Size & build
Product dimensions‎31.2 × 22.2 × 10.8 cm
Product weight3 kg
In the box
In the boxProjector, power cable, remote control, Quick Start Guide

Questions about this item

What comes in the box with the ViewSonic PX749-4K and what must be purchased separately?

The box contains the projector, a power cable, a remote control and a Quick Start Guide. Ceiling mounts, HDMI cables or additional streaming devices are not included and must be bought separately if required.

Which resolution and refresh-rate combination should I choose for Xbox gaming on the PX749-4K?

For Xbox the projector supports a native 1440p resolution at 120 Hz with a 4.2 ms input lag, while other sources can use the full 3840 x 2160 resolution at up to 240 Hz.

How bright will a 300-inch image be with the 4000 ANSI lumens rating in a typical living room?

The 4000 ANSI lumens output is designed to keep a 300-inch 16:9 picture clearly visible even with some ambient light, and the 1.13-1.47 throw ratio lets you position the projector between 0.75 m and 9.76 m from the screen.

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