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But what is certain is that the number of 4K source devices is gradually increasing. When typing this, there are two (
), a Roku 4 (Roku 4) that just arrived at my door and a second-generation Amazon Fire TV on the road. Of course, Ultra HD Blu-ray players are just around the corner.
Given that there are a large number of new AV receivers and preamplifiers that support 4K, it is very easy to switch these sources for viewing on one or two display devices. On the other hand, if you are looking for a way to send multiple sources protected by 4K/60, HDCP 2.2 to multiple displays around your home, office or commercial space, the options will be more limited, but still More and more.
Atlona provides new HDMI-to-HDMI and HDMI-to-HDBaseT matrix switchers that support 4K/60, which can always reach 16x16. The focus of this review is the 4x4 UHD HDMI to HDMI matrix switcher (AT-UHD-H2H-44M, $2,099.99), which allows you to display four different AV sources simultaneously on four different display devices. All four HDMI inputs and outputs on this product are HDMI 2.0 compliant with HDCP 2.2.
The device itself is a basic black box, measuring 2.17 x 17.31 x 10 inches and weighing 6.55 pounds. It is a rack unit high with rack ears for installation in equipment racks. The back panel has four HDMI inputs and four HDMI outputs, as well as a control input for IR/RS-232, a (currently inactive) USB port for firmware update, and a LAN port for IP control and access to the Web GUI .
You can perform all basic settings and use functions from the front panel with eight buttons as needed: power, input, function, cancel and four buttons for input, output and navigation functions. The two-line LCD screen displays the product name and description, which are used to select input/output combinations, access firmware/IP information, and perform various setting functions.
The infrared remote control provided is obviously a universal model that Atlona uses with many of its switchers. The small, non-backlit remote control has 16 input buttons and 16 output buttons. Obviously, with this particular switcher, you will only use the first four of each switcher to assign specific inputs to specific outputs. It also has power on/off, volume up/down and mute buttons, which are invalid for this particular switcher.
AT-UHD-H2H-44M uses a 10.2 Gbps HDMI chipset instead of an 18 Gbps chipset-this means you can transmit 4K signals at 60 frames per second, but the maximum bit rate can only reach 8 bits, the maximum sampling The ratio is 4:2:0. However, you can still transmit 4K signals at 24 frames per second, with up to 12-bit color and 4:4:4 sampling rate. For any current UHD source devices I use to test Atlona, this is not a problem, because 8-bit 4:2:0 is the current way to encode content. However, with the emergence and development of the Ultra HD Blu-ray format, it will become a bigger problem because the format supports higher bit and sampling rates. More importantly, AT-UHD-H2H-44M does not support HDMI 2.0a to deliver high dynamic range (HDR) content, so firmware upgrades are not possible. It can be seen from my research that all new 4K matrix switchers cannot pass HDR.
In terms of audio, Atlona can deliver all major audio formats, from two-channel PCM to Dolby TrueHD, DTS HD-MA and Dolby Atmos. It supports the passage of audio signals up to 24-bit/192 kHz.
In the test, I used three 4K UHD display devices: Samsung UN65HU8550 TV, Samsung UN65JS8500 TV and Sony VPL-VW350ES projector. I sometimes add an older 1080p Samsung LN-T4681F TV to the mix. My source of information is the aforementioned Nvidia Shield and Sony FMP-X10 4K player, Oppo BDP-103 4K upconverter Blu-ray player and 1080p Dish Network Hopper DVR. Both Nvidia and Sony devices support 4K/60 output, which is what I input to the monitor through Atlona. Both use HDCP 2.2 copy protection, and the Atlona switch has no problems with this.
Atlona equipment should be set up through a trained professional distributor. I am not one of those dealers, and because I use a mix of 4K and 1080p sources, the setup is more complicated than simply connecting all the devices and turning on the switch. By default, this Atlona switcher is set to output all content at the highest common native resolution that all connected sources can output. Since my Hopper DVR can reach up to 1080p, and my Oppo Blu-ray player was set to 1080p output when it was first connected, Atlona downgraded Nvidia and Sony 4K devices to 1080p to match them. I just tried to exclude Hopper and Oppo from the equation and restart all functions to see if I can get 4K signals from Nvidia and Sony, but I didn't.
The Atlona user manual provides you with two methods to solve this problem. The first is to manually "copy and load" the EDID information from a specific display and assign it to a specific source input. EDID stands for Extended Display Identification, which is used by two HDMI devices to identify each other, determine compatibility, and establish the most important handshake to obtain pictures. I tried to follow the instructions for this method, but still didn't get 4K from Nvidia.
Therefore, I moved to the second option, which is much simpler. The switcher stores 14 EDIDs in its memory, and you can assign any of these presets to a specific input. In my case, I assigned the EDID number 14 (3840x2160 resolution and 7.1 multi-channel audio) to the input of Sony and Nvidia players, and this quickly worked. Since then, I have been able to switch the resolution of Oppo from 1080p to 4K via 4K 4K sources, 1080p 1080p sources, and then return without problems.
What I should mention is that I performed the above steps through Atlona's front panel buttons. Although this button works, it is certainly not the fastest or most intuitive solution. If you move to the web interface only during the initial setup and not during the initial setup, I suspect the above process will be faster.
To access AT-UHD-H2H-44M's Web GUI, all you have to do is to make sure the product is connected to the router via Ethernet, enter the web browser, and enter the IP address assigned to Atlona. (You can get this information directly from the front panel screen of the switcher). The Web GUI has a simple and clear layout, which is easy to understand and manipulate. Through it, you can check the status of the device, update the firmware (although the firmware must be downloaded from the company site to the computer, and then load the file through the Web GUI), adjust the network and control settings, and more. You can name all connected signal sources and displays, check which signal source is routed to which display at any time, configure and store different input/output combinations in the switcher’s memory presets, and perform all the EDID adjustments mentioned above .
From a performance point of view, the AT-UHD-H2H-44M has proven to be rock solid in sending a clean and stable signal from the signal source to the display. I basically spent a few days playing various combinations of 4K/60, 4K/24, 1080p, and 1080i signals through the connected monitor, sending different sources to different monitors randomly. I didn't see the image being lost, freezing or flickering, and the switcher changed the input very quickly. When I turn on or turn off the power of any device in the chain, it does not affect the signal to the other displays. I can pass 3D smoothly (provided that the EDID that supports 3D is assigned to the input of the Oppo player), and even successfully add my Actiontec MyWirelessTV wireless HDMI extender to the chain to send 1080i/1080p signals to 1080p remote TV in the room. Atlona successfully passed DTS-HD Master Audio, Dolby Digital, Dolby Digital Plus and two-channel PCM signals.
• This matrix switcher allows you to watch four different 4K/60 signal sources on four different display devices at the same time.
• The signal reliability is excellent, and the switching speed between signal sources is very fast.
• Provide IR, RS-232 and IP control options.
• The web interface is easy to access and use.
• You can add Atlona's UHD-EX series extender to extend the cable length, which supports HDMI over HDBaseT.
• AT-UHD-H2H-44M only provides 4K/60 support, supports up to 8-bit 4:2:0 sampling, and cannot transmit (or transmit through firmware upgrades) HDR signals.
• If you mix 4K and 1080p sources, the initial setup process may be a bit confusing, and Atlona's documentation is more for trained installers than for general consumers. Of course, this product should be sold and set up by trained installers, so it makes sense.
• This switcher does not provide optical, coaxial or analog audio connections for use with non-HDMI audio devices.
Other 4K-friendly 4x4 matrix switchers include
(Approximately US$1,200), it adds support for analog/digital audio, but requires the addition of a KD-HDFIX22 HDMI extender (US$350) to incorporate HDCP 2.2 signal sources. Geffen provides 4K/60 capabilities
The 4x4 matrix switcher ($899) supported by HDCP 2.2 is missing, or you can check out the new EXT-UHD-88 ($3,999), which is an 8x8 matrix switcher with 4K/60 capabilities of HDCP 2.2. The company has not yet released a 4x4 version of the newer model with HDCP 2.2. coming soon
A 4x4 matrix switcher supporting HDCP 2.2 ($1,998). It is the only chip on the list that will use the 18-Gbps chipset to support 4K/60 at 4:4:4.
Control companies like Crestron and Control4 also provide 4K-friendly matrix switchers, but their products are usually designed for large systems, starting with 6x6 or 8x8 configurations, so the price is higher. Control4 offers 6x6 LU642 for $6,000, and Crestron offers 8x8 DM-MD8X8 for $4,300.
Atlona AT-UHD-H2H-44M 4x4 HDMI matrix switcher provides fast, rock-solid 4K/60 video switching, and supports the latest HDCP 2.2 compatible 4K source and a beautiful web interface. This matrix switcher can meet your current 4K signal source needs, and the performance is very good, but as Ultra HD content develops to its maximum potential, its 10.2 Gbps chipset may not be able to meet your needs.
For more product information.
Thursday. VS-88H2 is an 8×8 matrix switcher for 4K@60Hz (4:4:4) HDR signals and digital audio. It can re-time and equalize the clock, and can route any one of the 8 HDMI, HDCP 2.2 compatible signal sources (optional) to any or all outputs at the same time.
VS-88H2 has independent audio routing. In addition to the eight ARC signals, any of the eight embedded digital audio inputs can be routed to any digital output to produce an equivalent 16×12 audio matrix. (Eight embedded digital inputs + 8 ARC inputs and 8 digital outputs + 4 ARC outputs.) Each input of VS-88H2 also has a separate EDID management. It captures and stores EDID from the display device.
VS-88H2 can be controlled locally via front panel switches, memory, lock and EDID buttons, and input/output LED display. The device can also be remotely controlled through RS-232 serial commands transmitted by user-friendly embedded web pages, Ethernet, Protocol 3000 API and PC, touch screen system or other serial controllers.
Kramer's VS-88H2 is priced at $4,800.00.
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The brand new KanexPro 8×8 HDMI 2.0 to HDBaseT matrix switcher is designed to manage today's A/V formats, including 4K, HDR and object-based surround sound.
KanexPro 8x8 HDMI 2.0 to HDBaseT matrix switcher is designed for medium-sized applications and is a reliable way to distribute modern A/V content throughout the home.
As more and more formats are adopted
Solutions such as the new KanexPro 8×8 HDMI 2.0 to HDBaseT matrix switcher (MX-HDBT8x818G) meet the needs of devices that can handle modern A/V content distribution.
The latest matrix switcher can convert input to output via Cat-5e/6
The switcher transmits 4K at a frequency of 60Hz and supports
Format HDR10 and
"The HDMI 2.0 to HDBaseT matrix is ideal for high-end home theater applications. It is suitable for a variety of applications, including HDR and Dolby Vision. It can provide high-resolution video, a separate audio matrix, and at a reasonable price Provides uncompressed 4K signals up to 70 meters long," said Kashyap Khetia, senior product marketing manager.
"HDMI 2.0 to HDBaseT Matrix has incredible audio and video capabilities, as well as universal controls and functions."
The Brea, California-based company’s new matrix switcher complies with HDCP 2.2 requirements. It supports resolutions up to 4K at 60Hz and 4:4:4 chroma subsampling and multi-channel audio.
According to KanexPro, the 8×8 HDMI 2.0 to HDBaseT matrix switcher is used as a supplement to "medium" installations, including residential home theaters, chapels, and medical imaging system installations.
Some of the built-in control options of MX-HDBT8x818G include IR, RS-232, Telnet and Web-based graphical user interface (GUI).
Electronics professionals can also integrate the switcher into third-party control systems from top manufacturers (for example)
, And others.
The matrix switcher also supports an independent built-in 18×12 digital audio matrix, and has volume and delay adjustment functions. Its HDBaseT output can transmit signals up to 230 feet through PoC.
In addition, the HDMI output of MX-HDBT8x818G can support cables up to 33 feet long.
Bob is an audio enthusiast. Before joining CE Pro in 2000, he had written articles about consumer electronics for various publications in Massachusetts. Bob has obtained THX Level I certification and has also participated in lectures by the Imaging Science Foundation (ISF) and the Home Acoustics Alliance. (HAA). Bob also served as the technical editor of Commercial Integrator, a sister publication of CE Pro. In private time outside of his family, he studied guitar and music theory at Sarrin Music Studio in Wakefield, Massachusetts, Kyokushin Karate at 5 Dragons, and Brazilian Jiu-Jitsu at Binda Brazil Jiu Jitsu.
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HDR-H2H-88MA is built on the performance, reliability and integrator-friendly features of the Atlona 4×4 model. It has extended input and output capabilities and can be used for larger-scale applications.
Atlona has once again expanded its comprehensive range of AV integrated solutions compatible with high dynamic range (HDR). The AT-HDR-H2H-88MA matrix switcher is immediately available to provide high-performance 4K/UHD signal switching with a space-saving 1RU design, including HDR format. The new switcher will be on display at InfoComm, and the company will continue to celebrate its 15th anniversary.
HDR-H2H-88MA is the 8×8 brother product of Atlona AT-HDR-H2H-44M matrix switcher. It is built on the proven performance, reliability and integrator-friendly features of the 4×4 model. With expanded input and output capabilities, larger size applications can be provided. Supports all video resolutions, audio formats and color spaces in the HDMI 2.0b specification, so as to be compatible with the latest 4K/UHD and HDR signal sources and displays and future HDR broadcast services, while complying with HDCP 2.2 to switch protected content.
HDR-H2H-88MA supports 4K/UHD video at 60 Hz, and has 4:4:4 chroma sampling and HDMI data rate up to 18 Gbps. Fast, flicker-free switching eliminates long waiting times and visible display artifacts, thereby enabling an uninterrupted viewing experience. Stereo, unbalanced audio output is paired with each HDMI input so that two-channel PCM audio can be de-embedded and sent to the entire house or commercial audio system.
HDR-H2H-88MA starts from the intuitive front panel buttons and built-in LCD menu display, and provides many easy-to-use configuration and control methods. The integrated web interface allows quick, menu-based configuration of the menu from a PC or mobile device, and is compatible with the free Atlona management system (AMS 2.0) software and the Atlona Velocity AV control platform, and can be fully remotely configured and controlled via IP And monitor the network. HDR-H2H-88MA can also be controlled via RS-232 or the included handheld infrared remote control.
HDR-H2H-88MA is very suitable as the core of residential or commercial AV distribution installation, or can be used as a local sub-switch in the design of large commercial systems. The matrix switcher is seamlessly integrated with one or more Atlona AT-HDR-EX-70-2PS HDMI extenders, providing powerful multi-rooms for environments ranging from HDR-enhanced home theaters to retail showrooms and detail-intensive professional AV environments 4K signal distribution application. The switch's rich integrated functions include EDID and HDCP management functions, as well as the ability to independently send CEC signals to each HDMI output to control a single target display.
Joshua Castro said: "Our 4×4 HDR-H2H-44M is very popular among system integrators and end users. We are very pleased that we can now provide similar advantages in 8×8 matrix switchers to meet the needs of those who have more The needs of people with big distribution needs." Atlona Product Manager. "HDR-H2H-88MA's flexible format support allows users to take full advantage of HDR-enhanced content, while its rich integration functions can be seamlessly integrated into any environment or system design."
The HDR-H2H-88MA is now shipping and is backed by Atlona's award-winning 10-year limited product warranty and customer support services.
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