What is the input lag of the PX748-4K and how do I activate it?

The PX748-4K operates with a 240Hz refresh rate and a 4.2ms response time (input lag). To enable the 4.2ms input, turn it on via advanced settings and set the refresh rate to 240Hz. Reaction time is based on DMD chip.

What is the optimal throw distance for a clear 4K image?

The recommended max throw distance to display a clear 4K 300” image is 32 ft.

What is the optimal screen size for a clear 4K image?

The PX748-4K can display a clear 4K image from 30” to 300”.

If a Chromecast is attached to the projector, can I use the projector to supply power?

Yes. A built-in USB power output (5V/1.5A) can be used to supply power to wireless dongles like Chromecast or Amazon Fire TV stick.

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

ViewSonic PX748-4K UHD 4K Projector with 4000 Lumens, 240 Hz, 4.2ms, HDR Support, Auto Keystone, Dual HDMI, and USB C for Home Theater, Stream Netflix with Dongle

ViewSonic PX748-4K UHD 4K Projector with 4000 Lumens, 240 Hz, 4.2ms, HDR Support, Auto Keystone, Dual HDMI, and USB C for Home Theater, Stream Netflix with Dongle

Product ID: 334329757

Details

Brand
ViewSonic
Connectivity Technology
Ethernet HDMI
Display resolution
3840 x 2160
Recommended Uses For Product
Gaming
Special Feature
Built-In 3d

⚡4.2ms ultra-low input lag

🎮240Hz refresh rate

💡4000 Lumens brightness

Description

🎥 Elevate your home theater and gaming setup to legendary status!

GAME CHANGING SPEED SMOOTHNESS - 240Hz refresh rate paired with 4.2ms input lag means ultra-responsive, tear-free gaming on the big screen.
CINEMATIC BRILLIANCE IN ANY LIGHT - 4000 ANSI lumens deliver vivid, bright 4K UHD visuals even in sunlit rooms.
EFFORTLESS SETUP PERFECT PROJECTION - Auto H/V keystone, 1.3x optical zoom, and anti-warping tech make installation a breeze on any surface up to 300".
HDR HLG SUPPORT FOR STUNNING DETAIL - Decode HDR content for richer colors and deeper contrast that bring movies and games to life.
SEAMLESS CONNECTIVITY FOR ALL DEVICES - Dual HDMI, USB-C, LAN control, and 12V trigger ensure compatibility with consoles, PCs, and smart home systems.

The ViewSonic PX748-4K is a powerhouse 4K UHD projector boasting 4000 lumens brightness, 240Hz refresh rate, and ultra-low 4.2ms input lag. Designed for immersive home entertainment and next-level gaming, it supports HDR/HLG content and offers flexible connectivity options including USB-C and dual HDMI. Easy to install with auto keystone and optical zoom, it projects stunning visuals on screens up to 300 inches, making it a must-have for professionals craving cinematic quality and seamless performance.

Specifications

ASIN	B096HBWRGT
Additional Features	Built-In 3d
Antenna Location	Gaming
Best Sellers Rank	#1,225 in Video Projectors
Brand	ViewSonic
Brightness	4000 Lumen
Built-In Media	Power Cord, Projector, Remote, USB Type C cable,, User Manual
Color	White
Compatible Devices	Personal Computer
Connectivity Technology	Ethernet, HDMI, USB 2.0 Type A, USB 3.1 Type C
Contrast Ratio	12000:1
Control Method	Remote
Controller Type	Switch
Customer Reviews	4.3 4.3 out of 5 stars (305)
Display Resolution Maximum	2160 Pixels
Display Type	DLP
External Testing Certification	Nao aplicavel
Form Factor	Portable
Hardware Connectivity	USB
Item Dimensions L x W x H	4.3"L x 12.2"W x 8.7"H
Item Type Name	4K Projector
Item Weight	2.8 Pounds
Lamp Wattage	240 Watts
Light Source Operating Life	4000 Hours
Manufacturer	ViewSonic
Maximum Image Size	300 Inches
Maximum Throw Distance	9.76 Meters
Mfr Part Number	PX748-4K
Minimum Image Size	30 Inches
Minimum Throw Distance	0.75 Meters
Model Name	PX748-4K
Model Number	PX748-4K
Mounting Type	Ceiling Mount
Native Resolution	3840 x 2160
Picture Quality Enhancement Technology	HLG
Projector Maximum White Brightness	4000 ANSI Lumens
UPC	766907008951
Unit Count	1.0 Count
Video Encoding	HEVC Main 10
Voltage	12 Volts
Warranty Description	3-Year limited warranty on parts, labor and backlight
Wattage	310 watts

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

View all Trustpilot reviews