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High-fidelity audio setup

Many consumers often wonder the same thing when buying a home audio system, what do the surround sound numbers mean?

What do the surround sound numbers mean when buying a home audio system?

Surround Sound Numbers

Over time, a good percentage of homeowners have come to appreciate the incredible benefits offered by sound systems. Those purchasing a home theater are discerning consumers that want the best value for their money. Based on statistics, more than 50% of individuals in the United States have home audio systems. So, if you have a sound system, do you know what surround sound numbers mean?

Understanding surround sound numbers

Generally, surround sound numbers mean the number of speakers you use. Some of the surround sound numbers are 7.0, 5.1, 3.0, and 2.0. A system that has a surround sound number of 7.1 means that it features one subwoofer and seven ear-level speakers. The first part of the number (7) often indicates the number of ear-level speakers. The second part of the surround number (1) indicates the number of subwoofers. Some sound systems contain a third number; hence they may appear to have a surround sound number of 7.1.4. In this context, the (4) means the number of 3D ear-level speakers.

Explaining surround sound numbers

Now that we have an idea of what a surround sound number is, let’s try explaining each surround sound number in detail. 

  • 2.0: A sound system with a surround sound number of 2.0 means that it only has two ear-level speakers; one on the right and one on the left. Such a system does not have a subwoofer. Therefore, it does not have a low-frequency bass.
  • 2.1: This surround sound number means that there are two ear-level speakers; one on the left and one on the right, and one subwoofer.
  • 3.0: A sound system with a surround sound number of 3.0 means that it incorporates no subwoofer and three ear-level speakers. The three main speakers are usually located on the left, right, and center to offer an exceptional sound experience.
  • 3.1: These systems contain three ear-level speakers; one on the left, one on the right, and one at the center. It also contains one subwoofer.
  • 7.0: This source has seven ear-level speakers and no subwoofer. Hence, it does not have a low-frequency effect bass channel. The seven main speakers are located on the right, surround right, left, surround left, at the center, on the rear right, and back left.
  • 7.2: In such a source signal, there are seven main speakers and two subwoofers. The location of the main speakers resembles the 7.0 sound system.
  • 9.1.2: This surround sound number means that there are nine ear-level speakers, one subwoofer, and two 3D speakers. This is how the main speakers are located in most home audio systems; one at the center, one on the left, one on the right. Two at the rear surrounds, two at the front, and two surrounds.
Surround Sound Numbers and what they mean

Surround systems are well known for their minimal wire connections

Usually, surround sound systems feature a soundbar and audio receiver. A soundbar is responsible for radiating different types of sounds. These systems offer minimal cable connection and smaller speakers. Another advantage of surround sound systems is that they often use Bluetooth, hence offering a user-friendly experience.

Factors to consider when choosing a company to install a surround sound system

As mentioned earlier, surround sound systems offer an exceptional experience. These systems use fewer wires; hence easy to operate. Nevertheless, when installing a surround sound system, you need to hire a dependable company. Otherwise, the system won’t function properly. Below, we look at some of the factors you should consider when employing a surround sound system installer.

Level of experience: 

Currently, there is a wide range of home audio installers. Subsequently, finding the right one is undoubtedly not a walk in the park. Typically, home audio installation companies with extensive experience deliver quality installation. It would be best to go for a company that has over five years of experience. Such installers make zero mistakes during installation. Additionally, they advise you on the best surround system to install.


How does the audio installation company handle its clients? Answering this question helps you know whether the company you plan to hire is professional. A reputable audio installation company delivers nothing but excellent customer service. Thus, you rest assured of 100% customer satisfaction. Your installer should take time to know your requirements. From there, they should recommend the best surround sound system that caters to your needs.


Indisputably, you should analyze your budget before settling for a particular company to install your surround sound system. Typically, different companies provide different rate cards. Always look for a company that offers affordable yet quality installation services.

Consider hiring Peridon Entertainment for professional sound system installations

At Peridon Entertainment, we have highly trained and experienced audio installers who deliver exceptional home audio installation services. Once you contact us, we book an appointment with you. Then, we listen to all your requirements. Our installers will always advise you on the best surround sound systems that cater to your needs. Thus, do not hesitate to contact us. For more detailed information, you can also visit our website.