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expired Posted by cvincenzi • Aug 23, 2021

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expired Posted by cvincenzi • Aug 23, 2021

ViewSonic PX748-4K - DLP projector - 4000 Lumens Office Depot $999 + Free Shipping

$999

Office Depot and OfficeMax

7 Comments 6,415 Views

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I've been looking for this 4k projector for a while. Lowest price I have seen. B&H shows it at this price but it is backordered. I ordered it yesterday from Office Depot and it shipped today.

https://www.officedepot.com/a/pro...projector/

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Model: ViewSonic - PX748-4K DLP Projector - White

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Post Date	Sold By	Sale Price	Activity
07/16/24	Amazon	$888	2
06/02/23	Amazon	$794	4

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Sort: Lowest to Highest | Last Updated 6/18/2025, 10:17 PM

Sold By	Sale Price
Office Depot and OfficeMax	$1,099.99
Amazon	$1,099.99

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7 Comments

star2013

Aug 23, 2021

38 Posts

Joined Mar 2019

Aug 23, 2021

star2013

Aug 23, 2021

38 Posts

is it real 4k?

conehead433

Aug 23, 2021

1,103 Posts

Joined May 2008

Aug 23, 2021

conehead433

Aug 23, 2021

1,103 Posts

It is real 4K. To achieve the brightness this projector uses a RGBWRGBW color wheel. The extra white make whites look brighter but colors less bright. I own a 747 which is 3500 lumens instead of 4000 and uses a RGBW color wheel. It has a great picture for movies and sports in regular mode but eco mode isn't that good IMO. I guess that doubling the RGBW on the 748 color wheel may have helped the picture quality. I chose the Viewsonic because the throw distance worked for my room where the projector is mounted on the back wall at about 15 feet..

skid007

Aug 24, 2021

672 Posts

Joined Jan 2016

Aug 24, 2021

skid007

Aug 24, 2021

672 Posts

Out of stock already

air_towel

Aug 24, 2021

418 Posts

Joined Mar 2015

Aug 24, 2021

air_towel

Aug 24, 2021

418 Posts

Quote from star2013

is it real 4k?

It produces a 4k image via pixel shifting. Pixel shifting in general means that an image is accepted, and split into a number of lower resolution sub-images (for a 4k projector, this is usually four 1080P images). These four 1080P images are then projected offset a half pixel from one another to recreate a 4k image on the screen.

So the image projected is 4k, but not exactly the same 4k image as the input. You won't tell the difference from native 4k. You just won't.

Pixel shifting is used in 4k projectors less than $5000 today. Any product listing stating otherwise is lying by claiming "native 4k" when they really mean "native 4k input" -- which is what this projector has.

av911

Aug 24, 2021

1,540 Posts

Joined Dec 2010

Aug 24, 2021

av911

Aug 24, 2021

1,540 Posts

No 3D.

catpunt

Pro

Aug 24, 2021

159 Posts

Joined Feb 2008

Aug 24, 2021

catpunt

Pro

Aug 24, 2021

159 Posts

Still haven't found a pixel-shifting 4K projector which doesn't have a super annoying buzz above the fan sound.

air_towel

Aug 25, 2021

418 Posts

Joined Mar 2015

Aug 25, 2021

air_towel

Aug 25, 2021

418 Posts

Quote from abscess

Still haven't found a pixel-shifting 4K projector which doesn't have a super annoying buzz above the fan sound.

I don't hear anything but fan on my Optoma UHD30, but I've read they've had issues requiring RMAs, and some people may be more sensitive than others.

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Free Shipping Tech & Electronics Projectors ViewSonic Office Depot and OfficeMax

ViewSonic PX748-4K - DLP projector - 4000 Lumens Office Depot $999 + Free Shipping

$999

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