In 2 screen mode what is the aspect ratio? The images provided show each side as full screen? Shouldn't they be letter boxed?

This device does not maintain aspect ratio. It stretches the image if needed to fill the layout. So for side-by-side the images are vertically stretched.

Does it take 4 1080p inputs and outputs a 4k of the combined 4 1080p inputs ?

It outputs a maximum of 1080p whether you are displaying 1 input or 4. The screen says its displaying each at 1080p but my monitor shows that it’s only receiving a combined 1080p signal. I’ll be sending mine back, as having four 960x540 screens looks absolutely horrible and most text cannot be read.

On a 4k @ 60hz tv, if my 4 inputs are 4 mac mini 2012 (hdmi 1.4 1920x1080), will I see the same 1920x1080 resolution for each mac with 4 screen mode?

Yes you will. What ever input you connect will show in that resolution in 4 screen mode.

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OREI HDMI Switcher 4 in 1 Out with Quad Screen Multiviewer - Supports 1080p, DTS/Dolby Audio, IR Remote Control, Seamless Switching, Compatible with HDMI Devices

OREI HDMI Switcher 4 in 1 Out with Quad Screen Multiviewer - Supports 1080p, DTS/Dolby Audio, IR Remote Control, Seamless Switching, Compatible with HDMI Devices

Product ID: 86619312

Details

Brand
OREI
Cable Type
HDMI
Color
black
Compatible Devices
Camera
Connector Type
HDMI

🎵DTS/Dolby Audio support

📺Quad screen multiviewer

🔄4 HDMI inputs, 1 output

S$113

Duties & taxes included

In stock

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Description

🎬 Elevate your screen game—4 sources, 1 display, zero compromise!

RELIABLE 1 YEAR WARRANTY - Backed by OREI’s full warranty for peace of mind and long-term performance.
QUAD SCREEN MULTIVIEWER MAGIC - View up to 4 HD inputs simultaneously on a single display for ultimate multitasking.
REMOTE CONTROLLED CONVENIENCE - Switch inputs from anywhere in the room with the included IR remote—no need to move a muscle.
CRYSTAL CLEAR 1080 P RESOLUTION - Experience vibrant, full HD visuals that keep your presentations and media sharp.
SEAMLESS 4 IN 1 HDMI SWITCHING - Connect and toggle effortlessly between 4 HDMI sources with zero lag.

The OREI HDMI Switcher 4 in 1 Out is a professional-grade multiviewer that connects up to four HDMI devices to a single 1080p display. It supports DTS/Dolby audio, offers seamless switching via IR remote or front panel, and features five flexible display modes including quad screen viewing. Ideal for multitasking pros and media enthusiasts, it comes with a 1-year warranty for dependable performance.

Specifications

ASIN	B07H5TF6X2
Best Sellers Rank	#38 in Audio & Video Selector Boxes
Brand	OREI
Built-In Media	1
Cable Type	HDMI
Color	black
Compatible Devices	Camera
Connector Type Used on Cable	HDMI
Customer Reviews	4.4 4.4 out of 5 stars (752)
Global Trade Identification Number	00854339007731
Item Weight	1.5 Pounds
Manufacturer	OREI
Manufacturer Contact Information	[email protected]
Mfr Part Number	HD-401MV
Model Number	HD-401MV
Number of Ports	4
Packer Contact Information	[email protected] , 99250 12671
Power Source	AC adapter
UPC	854339007731
Unit Count	4.0 Count
Warranty Description	1 Year Warranty

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