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HDMI 4x1 Quad Multi-viewer
This switch supports 4 HDMI signal seamless switching. It can display 4HD digital video signal on the same screen, and has a variety of video segmentation, seamless switching 4 HD input signal synchronously. (Note: Use the [Audio Switch] button on the product to switch audio synchronization.)
5 Display Modes
This switch offers multiple ways to watch your source devices, it can display 1 or 4 input source devices at the same time. （For details, please refer to Figure）
Mary
July 8, 2025
I wanted the option to view my cameras and watch TV while I do hair with sound and this did what I needed it to do
Carlos Alfredo Arias Torres
June 27, 2025
Tenía otra espectativa sobre su funcionamiento, pero se puede usar para algunas cosas
Benjamin Davis
May 30, 2025
You get what you pay for, and I would not recommend for anyone using heavy video or for productivity purposes. But, if you're wanting a general display where people aren't getting close to screen, it might work for you.When unit in fullscreen mode, it appears to bypass the box, creating a clean 1080 signal; however, when using the various quad display modes, all screens are blurry and low pixel rate. I suspect the box is down-sampling the inputs, then combining into a quad 1080 picture. Then, that 1080 version is then up-sampled to 4k to allow the button to switch between 1080/4k. Display can see that signal is changing between 1080 & 4k, but visually it is the same. (I.E. - it appears like the inputs are scaled to 960x540, then combined to create 1920x1080 and then upsampled to create a 4k picture.)
Scott McHardy
May 1, 2025
Outstanding
TheDude
April 23, 2025
Audio only outputs 1 hdmi input at a time. It does not do simultaneous audio output. Otherwise a great device, simple and functional. Runs via 5V usbc. Also if an input is unused, it displays vertical bars of colors, not just a black screen, God forbid you only use 3 inputs, it’s very annoying to have on screen.
William Forrest Head
December 7, 2024
Did not work at all. HDMI is plug and pray b/c of HDCP encryption issues but don't have a product that doesn't work as advertised. If it requires specific equipment, say so. Returned it.
oreosmoreo
October 28, 2024
I bought this input switcher with the intent of using it for gaming from two consoles onto a projector/ big tv. I wanted one that could push 4k. I will be honest. it is NOT good enough for gaming. But I don't think there is a product out there that can actually do it, unfortunately. That doesn't take away points in my opinion, because I'm sure it was never meant for that. I still like the product because its excellent for watching multiple sports games on the big screen with friends over, make my home feel like a sports bar. but the resolution is blurrier than a true 4k (more like 1080p even in 4k mode) and there is some noticeable lag when gaming on it. so I do not use it for work on my 4k work monitor or for gaming.but as a 4 input multiviewer/switch, it is AWESOME for the price.
Jeff from San Jose
October 10, 2024
IF you have multiple (up to 4) HDMI sources that you want to feed to one display device, THIS is the product you want. I have multiple security camera systems and have had to have multiple displays to see everything. I have been researching HDMI switchers and settled on this one because it look simple to operate, it was INEXPENSIVE (compared to many other units on the market) so I gave it a try.Shipping was quick, and within 5 minutes, I was up and running. A couple of points - (1) The remote requires two AAA batteries which were not supplied. Not a deal breaker for me, (2) The USB power cord is quite short for the unit. Again, not a deal breaker for me. I simply added my own extension power cord and was in business.I had been suspicious of these devices as I wondered if the picture quality would be degraded. Turned out to be an unfounded suspicion! Picture quality is EXCELLENT, the options are nice (single display, multi-display, moving from one to the next).I am SO PLEASED I settled on this unit. The price is truly outstanding, it was easy to install and works intuitively.
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