Fix Your Car Subwoofer’s Rattling Noise in 5 Easy Steps

It can be frustrating when you finally find the time to crank up your music and enjoy a nice drive, only to have that noise ruin the experience. Many people seem to be having this problem where their car subwoofer starts creating a rattle-like sound.

. It can be annoying as well as dangerous if the rattling gets too loud. Several people struggle with this problem, but they have no idea how to resolve it. 

We’ve got the solution for you. In this blog post, we’ll explore what can cause a car subwoofer to make noise and how to fix it. We’ll also provide tips for avoiding the issue in the future. Keep reading to learn more!

Common causes of rattling noises in car subwoofers

causes of rattling noise in car subwoofers

Several things can cause a car subwoofer to make rattling noises. The most common causes are:

1. Loose parts:

If Loose screws or bolts hold your subwoofer, it can cause the subwoofer to vibrate and create a rattling noise.

2. Damaged speaker cones:

If the cone of your speaker is damaged, it can also cause rattling when the bass is turned up. Inspect your speaker cone for any cracks or holes.

3. Damaged voice coil:

The voice coil is responsible for moving the speaker cone. If this becomes damaged, it can also cause the cone to move around and sounding like a rattle.

4. Dirty or dusty subwoofer:

There is also a possibility that your subwoofer will rattle if it is covered in dust or dirt. 

5. Worn-out suspension:

The suspension is what keeps your subwoofer in place and prevents it from rattling. If the suspension is worn out, it can cause the subwoofer to rattle. Inspect the suspension for any signs of wear and tear.

6. Defective amplifier:

A defective amplifier can also Noise is caused by the subwoofer rattling.

7. Poorly installed subwoofer:

If your subwoofer isn’t upon installation, it can cause rattling as well.

8. Defective crossover:

The crossover is what filters the sound coming from your car stereo and sends it to the subwoofer. If this is defective, it can cause the subwoofer to make a rattling noise.

How to fix a car subwoofer that’s making rattling noise?

fixing a car subwoofer that's making rattling noise

If your car subwoofer is making a rattling noise, there are a few things you can do to fix it:

1. Tighten loose parts:

The first thing you should do is check for loose screws. If any of the bolts or screws that hold your subwoofer in place are loose, tighten them.

2. Install the subwoofer properly:

The next step is to check the installation. If your subwoofer isn’t installed properly, it can also cause rattling. Make sure that your subwoofer is installed according to the manufacturer’s instructions.

3. Check for speakers:

If the installation is fine, then the next step is to check the speaker. A damaged speaker is the most common cause of rattling. If the speaker is damaged, it will need to be replaced.

4. Inspect and replace damaged parts:

If the speaker cone is damaged, replace it. If the suspension is worn out, replace it.

5. Design box and materials:

The next step is to check the box design. Make sure that the box is sturdy and well-built. Low-quality materials are often the cause of rattling. Make sure that the materials used to build the box are high-quality and durable.

6. Clean the subwoofer:

A build-up of dust or dirt on your subwoofer can also cause rattling. Make sure to clean your subwoofer regularly to prevent this issue.

5 Tips to prevent car subwoofers from making rattling noises

To prevent your subwoofers from making noises you can follow the below tips. These are: 

1. Mount the subwoofer properly

One of the most important things to do when installing a car subwoofer is to make sure it is properly mounted. If the subwoofer isn’t mounted securely, it can vibrate and cause rattling noises. Make sure to use the proper mounting hardware and techniques to avoid this problem.

2. Use sound-dampening material

Another way to reduce rattling noises is to use sound dampening material. This material helps to absorb vibrations and prevent them from being transferred to the subwoofer. There are a variety of sound dampening materials available, so you can choose the one that best suits your needs.

3. Use a subwoofer box

If you’re using a subwoofer without a box, it’s more likely to rattle. A box helps to protect the subwoofer and prevents it from rattling around. For a larger subwoofer, it’s important to make sure it is properly enclosed. A bigger subwoofer will require a bigger enclosure, which can cause rattling if it isn’t properly sealed. If you’re using a smaller subwoofer, you can avoid this problem by using a smaller enclosure.

4. Adjust the settings on your amplifier

If you’re using an amplifier to power your subwoofer, make sure the settings are configured correctly. An incorrectly configured amplifier can cause rattling noises. Consult the manual for your amplifier to make sure the settings are correct.

If the rattling is coming from the subwoofer itself, it could be because the volume is too high. Turn it down and see if that helps.

5. Make sure the vehicle is not overloaded

It’s important to make sure your vehicle is not overloaded when carrying a subwoofer. An overloaded vehicle can cause the suspension to sag, which can lead to rattling noises. Make sure you know the weight capacity of your vehicle and don’t exceed it.

Following these tips can help prevent your car subwoofer from making rattling noises.


How to fix the subwoofer makes rattling noise at low volume?

To fix this issue make sure to check that your subwoofer is properly installed and/or secured. Sometimes, adding extra support (bracing) can help resolve the issue

Why is my car speaker making a rattling noise?

There could be a number of reasons why your car speaker is making a rattling noise. It could be that the speaker itself is damaged, or it could be that something is blocking the sound from coming out clearly. Another possibility is that the amplifier is set too high and is causing the speakers to distort the sound.

Does a rattling subwoofer mean it’s blown?

Not necessarily. If the rattling noise is coming from the speaker itself, then it is most likely damaged in some way. It could just be that the speaker has come loose from its mount or that something is caught in between the cone and the basket. However, if the rattling noise is coming from somewhere else in the car, it could just be that something is blocking the sound.

Why does my car subwoofer make a rattling noise when I turn up the bass?

If your car subwoofer makes a rattling noise when you turn up the bass, it is most likely because the subwoofer is improperly mounted. When the subwoofer vibrates against another object in the car, it can create a rattling noise. If the subwoofer is not properly isolated from the rest of the car, the vibrations can travel through the car and create a rattling noise.


To conclude, the rattling noise from subwoofers is caused by something simple that you can easily take care of yourself. Just make sure that all of your connections are tight and secure. If that doesn’t work, check the speaker itself for damage. If it’s damaged, you may need to replace it. Finally, if everything looks good and the problem persists, consider adjusting the equalization on your sound system.

Depending on the severity of the rattling noise and what’s causing it, one or more of these solutions may work for you. With a little bit of troubleshooting, you should be able to get your car subwoofer sounding great again in no time!

Please let us know if one of these solutions works for you and if your subwoofer is back up and running soon. Thanks for reading.