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FREE 30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Thursday, Oct 22
Recently Viewed
Size: 4x4 Matrix
Features
- 4x4 HDMI Matrix with Dual Voltage Power Supply Connect up to four HDMI input sources and distribute them to four HDMI output display ports with high-speed digital performance and zero signal degradation. The device also includes a dual-voltage power supply using a US plug, and an adapter/converter is provided for international use.
- Downscale Functionality Supports mixed 4K and 1080p displays, with the ability to downscale 4K content to 1080p. Each display can show identical or independent content, providing maximum flexibility for multi-screen setups.
- Full Video & Audio Support HDCP 2.2 compliant, supporting UltraHD 4K@60Hz, HDR, HDMI 2.0a, and up to 7.1-channel digital audio including Dolby Digital and DTS-HD Master Audio for immersive high-fidelity sound.
- High-Speed Performance Handles up to 18Gbps bandwidth to ensure smooth, high-resolution video and audio playback with minimal latency.
- Customer Support & Warranty Includes the HDMI Matrix unit, power adapter, and instruction manual. Backed by a 1-Year warranty and full OREI customer support for peace of mind.
Description
UHD-404 UHD-402D UHD-404R BK-404 UHD-808 BK-402A BK-808
Color: black
Connector Type: HDMI
Brand: OREI
Compatible Devices: Television, Monitor, Projector
Cable Type: HDMI
Brand: OREI
Manufacturer: OREI
UPC: 850008956737
Global Trade Identification Number: 37
Item Highlight: HDMI Switch 4 In 4 Out, HDMI Matrix 4x4 – HDMI 2.0, Dolby Vision, HDR10+, LPCM 7.1CH, DTS-HD Master Audio
Number of Items: 1
Manufacturer Contact Information:
Model Number: UHD-404
Packer Contact Information: , 99250 12671
Mfr Part Number: UHD-404
Warranty Description: 1 Year Warranty
Connector Type Used on Cable: HDMI
Compatible Devices: Television, Monitor, Projector
Cable Type: HDMI
Number of Ports: 8
Power Source: AC adapter
Audio Output Mode: Stereo, 7.1-Channel
Color: black
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Oct 22
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: 2x2 Matrix
I wanted a low cost HDMI switcher with an IR remote to control two different sources. The price on this unit was very attractive. I bought it and I have been extremely happy! It works just as advertised and also will allow me to send the same signal to both outputs! It seems to be handling any possible digital copy protection with no problem! Vreat functionality, no loss of picture quality or signal and it is very compact in size.
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Reviewed in the United States on August 31, 2026 by KLW
Size: 4x4 Matrix
Purchased for our church in order to display song slides from our computer to 3 outputs: TV, projector, and a live streaming encoder (ATEM Mini). Pretty simple set up. About as plug and play as you can get. And after a couple afternoons testing it and one Sunday service, I have not had any issues with it and does what I hoped it would do. Our projector screen is 4:3, so I have to resize our computer desktop to 1280x960 so it all fits on the screen. I was concerned the matrix might get screwed up by that, but it appears to work fine. Build quality seems pretty good. My only complaint is that the remote does not appear to work, but that's fine as I don't really need it. Also, two thumbs up for customer service. When I first set the matrix up, it was not mirroring the computer and would only display when I started a slideshow with PowerPoint. I emailed OREI customer service and within a day they had gotten back to me. I had forgotten to ensure that my computer was mirroring. It had auto-selected to extend the display. I selected mirror and everything showed up as it should. Also, there appear to be many videos from OREI on YouTube to assist as well info on their website. Pretty happy so far for a piece of equipment just over $100.
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Reviewed in the United States on March 17, 2025 by Tim R.
Size: 2x2 Matrix
I have a pretty niche use case for this, but I was pleasantly surprised to find a product that did what I was looking for, and at such a reasonable price point. I have an AppleTV and a Roku that I want to flip back and for between two different TVs in various combinations. On one of the TVs I need to extract the audio to run it into a receiver, which this unit also lets me do. I had no idea a product like this existed, and it is almost perfect for my need. Reasons not 5 stars: - The remote is important for my use. It works, but it is flimsy and the buttons don't always respond well. - Not sure if it is an Orei issue or the nature of the technology, but sometimes I want one TV off. But no matter how I set it, it seems some sort of signal "leaks" through the switch that causes the TV to turn itself on. A minor issue, but annoying. But definitely would recommend.
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Reviewed in the United States on February 18, 2026 by Charles
Size: 2x2 Matrix
I bought this unit to be able to switch output from a Roku Stick and a PS4 to a television set and a set of Rokid Max AR glasses. The output works perfectly on the television set, however for some reason, the glasses are not working with whatever signal this unit is putting out. The glasses work correctly if the output from either the Roku Stick or the PS4 are connected directly to the glasses, but not the output of this unit. I have tried switching the cables around in all possible configurations to make sure that the cables and unit connections all work correctly, which they do. It's unfortunate because this seems to be a high quality piece of equipment. The case is metal with high quality markings, the LED's are nice and bright, and the remote functions perfectly. I have tried to contact tech support, but so far, have been unsuccessful. I gave the unit three stars because I feel that is a neutral score. If the issue can be resolved, I will gladly give the unit five stars. UPDATE: The seller saw my review and reached out to me to discuss my issues with their product. After some investigation, they determined that their unit is not compatible with the Rokid Max AR glasses that I was trying to use it with. As a result, the asked me to return the unit and they will give me a full refund. They even sent a shipping label so that I would not have to pay the return shipping. I am increasing my review to five stars because it is a nice, well made unit with a lot of features, and it worked flawlessly with my TV set, just not with the glasses.
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Reviewed in the United States on December 14, 2025 by Jeryst
Size: 4x4 Matrix
This HDMI matrix switch is a great solution if you need to route multiple HDMI sources to several displays. With four inputs and four outputs, it allows you to send any connected source to any display, which makes it very flexible for different setups. The switch supports 4K at 60Hz with 4:4:4 chroma, and the picture quality remained clear and stable during use. The downscaling feature is also useful because it allows 4K and 1080p displays to be used together without compatibility issues. The included remote control makes switching sources quick and convenient. Once everything is connected, it works reliably and makes managing multiple HDMI devices much easier. Overall, this is a solid HDMI matrix if you need a flexible way to route multiple video sources to several displays.
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Reviewed in the United States on March 13, 2026 by Skywalker
Size: 4x4 Matrix
ATMOS is not mentioned anywhere in the user manual or specs or website. But I just hooked it up and it's passing ATMOS for me. Maybe they didn't pay for licensing so they can't advertise it? Or maybe it works but it's not supported and I may run into glitches, I don't know. But, so far so good. IR commands are available to download from the mfg's website. But I just learned the remote over to my URC remote and that was easier/faster to figure out. There are a few glitches when switching from my Nvidia Shield 4K to my HTPC 4K. But they are just a singular, momentary glitch. Could just be my setup. Someone in other reviews complained about how slow it is to change video inputs. That has nothing to do with this device. That's an HDMI 2.0 (and older) technology issue. Don't want to wait 5-6 seconds for the next display to come up on your TV!?? Then invest in the newer HDMI 2.1 spec. That one supposedly switches faster thanks to VRR. I really wanted to buy the HDFury VRRoom but it's more than twice as expensive. But if you can afford it, that's the way to go instead of this one. Another bit of misinformation in the reviews is that this defaults to the lowest resolution monitor in your chain. ROOKIES. Set up your EDID to the best monitor. Then for lower resolution monitors, set those outputs to "downscale". Right now, I have a 4K projector on one output. An analog audio extractor and a 1080P monitor on another output. On output #3, I have my 4K AVR. And on output #4 I have it set to downscale to 1080P and it goes to a second HDMI switcher which is connected to a 720P and a 1080P monitor. Works great! I'm getting 4K on the outputs configured for 4K and I'm getting 1080P on the outputs configured to downscale to 1080P. EDIT: It's giving me weird screen artifacts when I view my 4K HTPC computer as a source. If I remove the matrix, the artifacts go away. You can hardly see them, but they are there. I've ruled out cabling, etc. EDIT 2: I gave it a second shot. The second unit didn't have any HTPC artifacts. But I discovered the built-in EDID is not compatible with Nvidia Shield 2019 Pro as it only provides 5.1 and not 7.1 audio. The copy-EDID may be an option for you but that option always introduces instability in the long-term.
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Reviewed in the United States on February 24, 2022 by EddieAmazon
Size: 2x2 Matrix
I love this 2x2 hdmi switcher because it lets me switch between my docked steam deck and Nintendo switch and play on either my tv (for a bigger screen or multiplayer game nights) or my monitor for casual solo gaming. So easy to use with the little remote control it comes with. Exactly what I needed for my gaming set up. I also paired this with the 1x4 HDMI splitter because I wanted the ability to casually game on my monitor and also record gameplay on YouTube, but independently of each other. This allows for that. Super happy with my OREI products. OREI please sponsor me I love you! Lol. (Socials:@slowcozychronicles)
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Reviewed in the United States on July 25, 2025 by Julie Gomez
Size: 4x4 Matrix
I have this unit full with 4 signal inputs to 4 different TVs. The signals are well amplified so one source can feed all l4 units without loss. Switching can take a few seconds with signal loss, but the establishes the new signal source. These include 2 TIVO units, a TIVO 4K stick, and a wireless HDMI extender from laptop. TVs include 25" up to 60", all receiving a justified picture and perfect sound from the designated source. It has resulted in a huge upgrade to our entertainment system.
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Reviewed in the United States on March 28, 2025 by Walt Murfin