HDMI Cable – All You Need To Know

The world might be wireless, but we still largely depend on cables to transmit information from one corner to another. HDMI cables play a large role in this regard, and you will find them in various settings, including homes and offices.

In this article, we’ll look at HDMI cables and their roles. Plus we’ll also talk about custom HDMI cables and how effective they can be.

HDMI cable

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Chapter 1: What Is HDMI Cable?

red and blue HDMI cable

HDMI, shortened for High-Definition Multimedia Interface, is a technology that transmits uncompressed video or audio from the source to the end device.

The source can be any HDMI-compatible device, including a gaming console and computer. You will also need an output device that can be a television set.

Since HDMI is a wired technology, you will need an HDMI cable to transmit data from one end to the other.

HDMI cables are quite popular these days. It is quite easy to identify an HDMI cable. It has a unique connector with about 19 pins. The HDMI port is taller and wider than the USB port.

The exciting thing about HDMI is that a single cable can transmit audio and video signals. We needed multiple devices to transfer sound and video back in the day, but this is not the case with HDMI cables.

Chapter 2: Types of HDMI Cable

HDMI video adapter

There are many types of HDMI cables, but they are all different. Each type of cable has different capabilities and limitations. Here are some of the most popular types of HDMI cables:

It is not very uncommon for vehicles to have a small television set. This type of cable is suitable for cars as it comes with extra shielding to avoid interference from other electrical wiring and systems in the vehicle.

  • The High-Speed Cable: This cable transfers high-quality data – up to 4K. Plus, it can also support Deep Color and 3D.

Since 4K and 3D television sets are now common, with 4K and 3D multimedia readily available, such cables are in demand. They offer high transfers – up to 10 GPBS.

HDMI cable

  • The High-Speed Automotive Cable is the same as the high-speed cable but is suitable for automobiles. The only difference is that it comes with protection to avoid interference from other electrical wiring and systems in the car.
  • Premium High-Speed Cable: This HDMI cable version is optimized for version 2.0/a/b HDMI and supports up to 18 Gbps. The Premium HDMI Cable can transfer UltraHD/4K video, including HDR, with a wide color range.
  • Ultra High-Speed Cable: The latest version of HDMI cable offers support for 8K video. It comes optimized for version 2.1 and does not face electromagnetic interference. Plus, it provides up to 48 Gbps of bandwidth.
  • Cables with Built-in Ethernet: These cables support an additional HDMI Ethernet Channel. This feature allows several HDMI devices to use a single Ethernet connection. However, technology is not very common these days.

Nonetheless, almost all the above-discussed HDMI cable types are available with built-in ethernet.

Chapter 3: Things to Consider When Selecting

Device with multiple HDMI ports

Since there are so many different types of HDMI cables, it can get challenging to pick one. To help you in this regard, we have explained a few factors you must keep in mind when choosing an HDMI cable:

  • Speed: This is the most crucial factor as HDMI cables should transmit data at a fast speed. However, what bandwidth you get will depend largely on what type of cable you have.

The Ultra High-Speed Cable will be the best option if you want to transfer very high-quality data. It supports a 4K video and is lightning fast.

However, since the 8K video format is not very popular, it may not be suitable for one and all. Hence, you can opt for Premium High-Speed Cable with a bandwidth of 18 Gbps.

  • Durability: HDMI cables are long-lasting, but their durability depends on several factors, including the material. That is why it is essential that you buy HDMI cables from a reliable seller so that you only get high-quality products.

Also, it would help if you used the right cable for the right purpose. For example, you must use HDMI cables made for automobiles if you intend to use the cable in your car. Generic HDMI cables may work, but they will not last long and may even lead to signal issues.

  • Price: HDMI cables are not very expensive. Still, it is essential to be careful about this factor since different sellers offer different rates.
  • Warranty: Some manufacturers sell HDMI cables with a guarantee. It can be an essential feature as buying a product with a warranty will give you peace of mind.

HDMI cable

  • Connector: HDMI cables come with different connector types. It is essential that you buy a cable that supports your device. Check the connector type to ensure it fits.
  • Length: The average length of an HDMI cable is 15 feet, but if you look around, you can easily find longer cables, up to 25 feet. Some companies even offer 50 feet cables, but you need to be careful as signal quality will begin to degrade at this point.

You have the option to join 2 HDMI cables by using different tools, but that may not be the best decision. Hence you should measure the distance between your input and output device and get a cable that can easily connect the two.

If the distance exceeds 50 feet, try to move things around to reduce the distance because you may not find a single cable that supports such a wide gap. Plus, even if you join two wires, the quality will not be up to the mark.

  • Quality: This is one of the most important factors because HDMI offers high quality.

Remember that the overall result also depends on the quality of your input and output devices. For example, you will not get 4K quality video on a traditional TV even if you use an HDMI cable that supports a 4K transmission.

The truth is that all HDMI cables are good. Your job is to get your hands on the right cable so that you have no trouble using it.

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Chapter 4: Why is HDMI So Important

HDMI cable forming a connection

There are so many ways to transmit data from one source to another. And then why do we still use HDMI cables, especially when we can transmit data wirelessly?

Well, this is because no technology can match the quality of HDMI cables. Here are some reasons why HDMI cables are so necessary:

  • Fast: They are quick and support high bandwidth. Hence there are no lags and delays. That can be a difference-maker when it comes to video games as even a delay of a few seconds can cause headaches and other such issues.

There are remote play and other options, but it does not offer the same speed as HDMI cables.

That is not the case with mirroring, as mirroring and wireless transfers usually require third-party apps that can be very costly to buy.

  • Durable: HDMI cables are highly durable, you will not have to worry about buying a new one anytime soon as they have a long life. However, make sure to buy cables from a reliable seller.
  • Easy to Use: Since HDMI cables transmit both audio and video, they are easier to manage and use. You do not have to worry about handling multiple wires. Plus, they are easy to identify, which makes the job easier.
  • Authentication: Believe it or not, the risk of signal theft is a real concern, especially in a business environment. You cannot afford personal information to reach unsafe hands. Which is a major reason why businesses count on HDMI cables as they offer encryption and authentication, which reduces the risk of data breaches.

HDMI cable

You can share information without having to worry about unauthorized access.

  • Two-Way Communication: HDMI offers two-way communication. That means you will not have to worry about the right setting as the device will choose the best audio formats and resolutions.
  • Consumer Electronics Control: This option allows users to connect multiple devices through an HDMI cable. You can coordinate time intervals between different devices to build a chain of connections.

Devices will play or stop automatically based on your selected settings. This option can be useful in a business environment.

  • Versatile: HDMI cables support a wide range of audio and video formats. These include NTSC, PAL, 1080i, and standard stereo. Hence, a single wire can play audio and video formats. You will not have to switch between two or more options.
  • High Quality: HDMI allows data transmission without compressing signals. As a result, the signals you will get will be uncompressed and uninterrupted. Plus, it supports 16, 12, and 10-bit YCbCr color depths. As a result, the final picture is sharp and neat.

These were some of the main benefits of using HDMI cables. All in all, HDMI cables remove complexities and allow you to enjoy uninterrupted signals without worrying about data loss or theft.

Chapter 5: Why Do We Need Custom HDMI Cable?

You will have no problem finding an HDMI cable, but it can be quite a challenge to find a cable that meets all your requirements. It is why it may be a good idea to opt for custom HDMI cables.

This way, you can get the HDMI cable in your desired length, bandwidth, quality, and price. Yes, custom HDMI cables may be cheaper than traditional wires.

Chapter 6: HDMI Cable Uses: Where Will We Find Them

You will find HDMI cables in a variety of settings, including:

  • Homes: Most people use HDMI cables to connect television sets to devices such as laptops, gaming consoles, and streaming units.
  • Offices: It is not very uncommon to use HDMI cables at offices to connect a display to the input device for presentations.
  • Automobiles: Special HDMI cables are available in cars to connect the display screen to a DVD player and other such devices.
  • Industries: It is not uncommon for people to use HDMI cables to connect audio equipment like mixers, speakers, and recording systems. You will find them in halls, stadiums, and arenas as well.

Chapter 7: HDMI Cable – FAQ

  1. How Much Does an HDMI Cable Cost?

The cost will largely depend on the type of HDMI cable you have. You can find cheap options for as low as $40, but they may not be reliable.

Quality HDMI cables start at about $80 and may go up to $1,000. It is best to get a custom HDMI cable as it will be made according to your requirements and suit all your needs.

  1. Can I Use HDMI Cables Anywhere?

Yes, for as long as the device supports HDMI input/output and has the right connector.

  1. Can I Use Other Cables in Place of HDMI Cables?

No, because no other cable will fit the HDMI port. However, if your device offers different options to transmit audio and video, you can opt for them. But, remember that the overall quality will be lower as HDMI is the best option to transmit audio and video signals.

  1. Are our HDMI Cables Dangerous?

No, they are safe to use. Even a damaged HDMI cable will not cause injuries or harm your device. However, keep the wire in place as there may be tangling issues.

Note: Electrical issues can lead to trouble.

  1. How Will I Know My HDMI Cables have gone Bad?

You will have trouble connecting the wires. The connection may catch rust, and there may be lag or drop in audio or video signals.

  1. Where Can I Buy an HDMI Cable?

At Cloom Tech, we offer a one-stop wire harness and cable assembly solution, including custom HDMI cable.


As evident, HDMI cables are important and in demand. You should go for custom HDMI cables to get the best results.

Get in touch with us today to know more about our custom HDMI cable services and how we can help you.

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Hey, I am John, General manager of Cloom and OurPCB.

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