4 Channel vs 5 Channel Amp – Key Differences and Benefits

If you want to improve your car audio system, you may be wondering whether you should buy a 4 channel or 5 channel amp. Both amps have their pros and cons, so which one is right for you?

In short, its simple, a 4-channel amp is best for powering maximum 4 speakers with mid range sound quality, while a 5-channel amp is better for powering 4 speakers and a 1 subwoofer.

4-channel amps are usually less expensive than 5-channel amps, and they’re also smaller and more compact.

If you’re looking to upgrade your car audio system on a budget, 4 channel amps is the option, in case you’re looking for high quality sound 5-channel is the way to go with.

Today here we’ll take a look 4 channel vs 5 channel amps, and help you decide which one is the best fit for your needs.

You might be interested in Do I Need An Amplifier For 6×9 Car Speakers?

Keep reading to find out more!

Main Differences Between 4 Channel And 5 Channel Amp

To make clear the major differences between 4 channel and 5 channel car amplifiers, we have listed some of them.

Read on to know more about them:

4 Channel Amp:

Most people use a 4-channel amplifier to power up 4 pairs of speakers (Door). This type of amplifier is pretty much similar to the stereo amplifier, but it has an extra set of channels.

If you are using a 4-channel amplifier, then each pair of speakers will be getting separate 75 watts of power.

It is very easy to install a 4-channel amplifier as compared to a 5-channel amplifier. You can easily install it under the front seat of your car.

Learn Here How To Wire A 4 Channel Amp To 6 Speakers?

And another plus point is that it doesn’t require a lot of power to run. This means that it won’t put a strain on your car’s electrical system.

5 Channel Amp:

A 5-channel amplifier is mainly used to power up 4 speakers and 1 subwoofer. These amplifiers are very powerful as compared to 4-channel amplifiers.

If you are using a 5-channel amplifier, then each speaker will be getting around 50 watts of power.

It’s very difficult to install a 5-channel amplifier in your car as compared to a 4-channel amplifier. You will need professional help to install it in your car.

In addition, if it’s not installed properly, then it can cause damage to your car’s electrical system.

Learn here how to wire 5-channel amp?

Now that you know the main differences between 4 channel and 5 channel amplifiers, you can easily choose the right one for your car.

Pros And Cons of Each One Amp

There are many factors to consider when choosing an amplifier.

Below, we will go over the pros and cons of each type of amp so that you can make the best decision for your car audio system.

4 Channel Amp:


  • To begin with, a 4-channel amplifier is going to be much cheaper than a 5-channel model.
  • If you are only running door speakers, then you’ll have plenty of extra power to work with. This’ll allow you to upgrade your speakers in the future without having to buy a new amp.
  • A 4-channel amp will also take up less space in your car than a 5-channel model. Which can be a big deal if you’re tight on space.
  • They are bridgeable.


  • It’ll not be able to power as many speakers as a 5-channel model. So, if you are planning on running more than 4 door speakers, you’ll need to buy a 5-channel amp.
  • A 4-channel amp will also not be able to power a subwoofer with speakers. So, if you’re looking for bass, you’ll need to buy a separate amplifier for your subwoofer.

5 Channel Amp:


  • A 5-channel amplifier is going to be more expensive than a 4-channel model. However, it will be able to power more speakers.
  • If you are planning on running a subwoofer, then this will be perfect for you. It’ll provide plenty of power for your subwoofer and your speakers.
  • A 5-channel amp will also take up more space than a 4-channel model. So, if you have plenty of space in your car, then this won’t be an issue.


  • Because it takes up more room in your automobile than a 4-channel amplifier, it may not be the best choice for you if you have limited space.
  • It’ll also use more power than a 4-channel model. So, if you’re worried about your car’s battery, you may want to consider a different option.

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Which Type of Amplifier Do You Prefer?

I generally prefer 4-channel amps because they tend to produce cleaner sound and can power more speakers.

However, 5-channel amps are also great for powering subwoofers and other larger speakers. Ultimately, it just comes down to personal preference.

And you don’t have to stop here in doubt because of recommendation, you can keep on reading to get more ideas about this.

I mean you should also consider what you need or what you want to achieve before making your final decision.

If you just need a basic amplifier to power your speakers, then a 4-channel amp should suffice.

In case, you want to power subwoofers and other larger speakers like 6×9, then a 5-channel amp would be a better choice.


Now that you learned about the pros and cons of each type of amplifier, you can make a more informed decision about which one is right for you.

Just remember to figure out what you need and want before making your final purchase. I’ve tried clear the doubts about 4 channel vs 5 channel amp and hope it works. Thanks for reading along!


Q: Are 5-channel amps any good?

A: Yes, 5 channel amps are great for powering subwoofers and 6×9 larger speakers. However, they may not be the best choice for you if you have limited space or are worried about your car’s power battery.

Q: Does a 4-channel amp make a difference?

A: Yes, It depends what you listen to. 4-channel amps can make a significant difference in the sound quality of music played through them, depending on the type of music being listened to.

Q: What is a 5-channel amp used for?

A: A 5 channel amplifier is used to power subwoofers and larger speakers. It is also great for powering all of your speakers if you have a large car or truck.