If you’re looking to add some extra thump to your car stereo, then installing a subwoofer is a great way to do it. But if you’ve never done it before, then the process can seem a bit daunting. This guide will walk you through everything you need to know about how to connect a subwoofer to a car stereo, so you can get the best possible sound out of your system.

The first thing you need to do is choose the right subwoofer for your car. There are a lot of different models on the market, so it’s important to take some time and figure out which one is right for you. Keep reading the blog to know about different types of subwoofers & steps to check out how to connect a subwoofer to a car stereo. 

Explore Different Types Of Subwoofers:

There are two main types of subwoofers: active and passive. Active subwoofers come with their own built-in amplifier, which makes them easier to install. Passive subwoofers don’t have an amplifier, so you’ll need to install one separately. 

If you’re not sure which type of subwoofer to get, then passive subwoofers are usually the better choice. They tend to be more durable and produce better sound quality.

Select The Right Subwoofer: 

Now that you know the basics of subwoofers, it’s time to start thinking about which one is right for your car. Here are a few things to keep in mind as you’re shopping around:

- The size of your car: This is probably the most important factor in choosing a subwoofer. If you have a small car, then you’ll want to get a smaller subwoofer. Otherwise, it will take up too much space and won’t sound as good.

- The type of music you like: If you like to listen to a lot of bass-heavy music, then you’ll want a subwoofer that can handle a lot of power. On the other hand, if you prefer music with less bass, then you can get away with a smaller subwoofer.

- Your budget: Subwoofers range in price from around $100 to $1,000. It’s important to find one that’s within your budget so you don’t end up spending more than you can afford.

Once you’ve considered all of these factors, you should have a good idea of which subwoofer is right for you.

Go Through These Steps To Install A Subwoofer:

Installing a subwoofer is a bit more complicated than just screwing it into the trunk of your car. There are a few things you need to do first, such as finding the right location for the subwoofer and running the power wire to the battery. But don’t worry, we’ll walk you through the entire process step by step.

The first thing you need to do is find a good location for the subwoofer. It should be in a spot where it won’t get in the way, but it also needs to be able to breathe. That means you shouldn’t put it behind a seat or in a cramped trunk. Once you’ve found the perfect location, we can start the process!

Step One: Put Your Tools Together 

The first thing you need to do is gather all of the tools and materials you’ll need for the installation. Here’s a list of what you’ll need:

- A screwdriver

- A drill

- A saw (if you’re cutting through metal)

- Wire cutters

- Electrical tape

- A power wire (at least 18 gauge)

- A speaker wire (at least 16 gauge)

If you don’t have all of these tools, then you can usually find them at your local hardware store.

Step Two: Disconnecting The Speakers 

The next step is to disconnect the speakers from the head unit. This is so you can run the wires through the car without having to take the whole stereo out.

To do this, first, find the wires that connect the speakers to the head unit. There are usually two wires for each speaker, a positive and a negative. Once you’ve found the wires, use a screwdriver to loosen the screws that hold them in place. Then, gently pull the wires out of the holes.

Step Three: Preparing The Wires 

Now it’s time to prepare the wires for installation. First, use wire cutters to strip about half an inch of insulation off of the end of each wire. Then, use electrical tape to attach the wires to the subwoofer.

Make sure you attach the positive wire to the positive terminal on the subwoofer, and the negative wire to the negative terminal. If you mix them up, the subwoofer won’t work properly.

Step Four: Running The Wires 

Now it’s time to run the wires through the car. Start by finding a route from the subwoofer to the head unit. If possible, try to avoid running the wires through areas where they might get pinched or damaged.

Once you’ve found a route, use a drill to make holes for the wires. Then, run the wires through the holes and to the head unit. If you’re having trouble getting the wires through the holes, you can try using a wire coat hanger to fish them through.

Step Five: Connecting The Wires 

The next step is to connect the wires to the head unit. First, find the wire that goes to the positive terminal on the subwoofer. Then, use a screwdriver to loosen the screw on the terminal. Next, insert the wire into the hole and tighten the screw. Repeat this process for the negative wire.

Step Six: Testing The Subwoofer 

The final step is to test the subwoofer to make sure it’s working properly. To do this, turn on the stereo and turn up the volume. Then, put your hand on the subwoofer and feel for vibrations. If you can feel vibrations, then the subwoofer is working properly.

If the subwoofer isn’t working, make sure the wires are connected properly. If they are, then you may need to replace the fuse on the subwoofer.

Congratulations! You’ve successfully installed your new subwoofer. Now enjoy the extra bass in your music.


That’s the end of our guide on how to install a subwoofer in your car. We hope you found it helpful and that you now have a better understanding of the process. If you have any questions, feel free to leave a comment below. Thanks for reading!

Steven Paul
Hi, I'm Steven Paul! I am dedicated to helping people learn more about subwoofers. My age is 49-year-old and passionate for helping others by doing detailed research, I really like working on SubwooferGuides.com because it gives me the opportunity to use my knowledge of research on Musical Guides. I have been researching about musical instruments for over 20 years and there is nothing that I love more than helping beginners get into the hobby of home theater audio. My goal with this site is to provide an unbiased resource where beginner's can come and find all the information they need to make educated decisions when shopping for their first subwoofer system.