How to Upgrade to 7.1 Surround Sound to Get an Immersive Home Theater Experience?


Are you looking for a way to take your home theater experience to the next level? Look no further than upgrading to a 7.1 surround sound system.

In this article, we’ll discuss what surround sound is, what 7.1 surround sound is, its benefits and drawbacks, and considerations for setting up a 7.1 surround sound system.

What Is Surround Sound?

Surround sound is a technology that creates a 3D audio experience by using multiple speakers placed around a room. The goal of surround sound is to create a more immersive audio experience by placing sounds in specific locations around the listener. This can enhance the realism and impact of movies, TV shows, and video games.

What Is 7.1 Surround Sound?

7.1 surround sound is a specific type of surround sound that uses eight speakers: two front speakers, a center speaker, two surround speakers, two rear speakers, and a subwoofer. The “7” refers to the number of full-range speakers, and the “.1” refers to the addition of a subwoofer for low-frequency effects, such as bass and explosions.

Benefits & Drawbacks of 7.1 Surround Sound

There are several benefits to using a 7.1 surround sound setup in your home theater or audio system. These include:

Immersive Sound

7.1 surround sound can create a more immersive audio experience, making you feel like you’re in the middle of the action.

Better Localization

With 7.1 surround sound, you can better localize sounds in space, allowing you to pinpoint the location of different sounds in a movie or music track.

More channels

7.1 surround sound adds two additional channels to the standard 5.1 setups, providing more depth and dimension to your audio.

Enhanced bass

7.1 surround sound can provide more low-frequency effects, improving the impact of explosions, crashes, and other effects.

Greater flexibility

With 7.1 surround sound, you have more options for speaker placement and calibration, allowing you to fine-tune your audio setup to your specific preferences and room acoustics.

While there are many benefits to using a 7.1 surround sound setup, there are also some drawbacks to consider. These include:


Setting up a 7.1 surround sound system can be more expensive than a standard 5.1 system, as you’ll need to purchase additional speakers and an AV receiver that supports 7.1 audio.

Space requirements

A 7.1 system may require more space than a 5.1 system, as you’ll need to find room for additional speakers.

Compatibility issues

Not all movies, TV shows, or music tracks are mixed in 7.1 surround sound, meaning you may not always get the full benefit of your setup.

When to Use a 7.1 Surround Sound System?

So, when is it appropriate to use a 7.1 surround sound system? Here are some situations where you may want to consider upgrading to 7.1:

Large rooms

If you have a large home theater or audio room, a 7.1 system can help fill the space with sound and create a more immersive audio experience.

Action movies

Action movies with explosions, car chases, and other effects can benefit from the enhanced low-frequency effects provided by a 7.1 system.


If you’re a gamer, a 7.1 system can provide a more immersive audio experience, allowing you to better locate enemies and other sounds in the game environment.

7.1 vs 5.1 Surround Sound: Which Is Better?

The main difference between 7.1 and 5.1 surround sound is the number of speakers. A 5.1 system uses six speakers: two front speakers, a center speaker, two surround speakers, and a subwoofer. A 7.1 system adds two rear speakers to the mix.

Whether 7.1 or 5.1 is better depends on your personal preferences, the size of your room, and the content you watch. In general, a 7.1 system will provide a more immersive audio experience, but it may not be necessary for smaller rooms or if you primarily watch content that is mixed in 5.1 surround sound.


Considerations for Setting Up a 7.1 Surround Sound System

If you decide to set up a 7.1 surround sound system, there are several key considerations to keep in mind, including:

Speaker placement

Proper speaker placement is essential for a good surround sound experience. Make sure to follow guidelines for placing front, surround, and rear speakers in your room.

AV receiver

You’ll need an AV receiver that supports 7.1 surround sound. Look for a receiver with plenty of power, advanced calibration options, and compatibility with your other audio and video devices.


A good subwoofer is essential for a 7.1 system, as it provides the low-frequency effects that make the system really shine. Choose a subwoofer with plenty of power and good frequency response.


Upgrading to a 7.1 surround sound system can significantly enhance your home theater experience, providing immersive audio that brings movies and games to life. While there are some drawbacks, such as increased cost and space requirements, the benefits often outweigh these considerations.

AV Access 4KEX40-eARC 4K eARC HDMI Extender _ Connection DiagramAV Access 4KEX40-eARC 4K eARC HDMI Extender _ Application Scenarios

To ensure the best possible experience, we recommend using the 4KEX40-eARC from AV Access. The AV Access 4KEX40-eARC HDMI Extender is a product that supports 7.1 surround sound, 4K@60Hz, HDR, and HDCP 2.2/1.4. It has an eARC feature that transmits uncompressed audio from TV to receiver, enhancing audio quality. The product is easy to install, with a transmitter and receiver, and no software required. It’s a great choice for anyone looking to upgrade to a 7.1 surround sound system.

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