Subwoofer Rattle At High Volume- 7 Easy Steps To Fix It!

Many of us often have to deal with rattling subwoofers. This is so disappointing, never let us enjoy the music. 

Don’t worry if you hear a rattling noise from the subwoofer whenever you turn up the volume. You’re not alone! We’re gonna help you to solve this issue.

So, why does the subwoofer rattle at high volume, and how to fix it? 

Subwoofer rattling at high volume can be due to a loose nut or screw. Sometimes an unsealed subwoofer can also cause this problem to exist. It’s important to identify the reasons first. To resolve these- seal the enclosure, keep the speaker wire secure, and stiffen the screw.

Do you think this could help you? If you liked the overview so far then follow our lead. Because we have a step-by-step fixing solution to guide you on this.

So what are you waiting for? Hop on

Reasons Why Subwoofers Rattle and Vibrate at a High Volume

There are many ways you can follow for repairing a rattling subwoofer. Before you begin the repairing process, you must identify the source of the subwoofer rattling noise.

Let’s see-

Reason 1: Unsealed Subwoofer

The box or enclosure might not be properly sealed, which is a typical reason. As a result, air can escape. And it is causing the woofer to bounce and rattle whenever the volume is high.

Reason 2: Loose Nuts 

Another reason might be that the screws or nuts that hold the box together are loose. And it is causing vibration and rattling.

Reason 3: Unfastened Wire

Lastly, if the speaker wire is not securely fastened, it might slide around. This can generate noise and rattle at a high volume.

If you don’t fix the problem on time, it can worsen the situation. Even the subwoofer won’t work on a PC or car.

So let’s dive into the process of how to stop the subwoofer rattle.

How To Fix The Subwoofer?

Once you found out what’s causing the rattling of your subwoofer, it’s half done. You can relax, it’s not as bad as a sub turning itself on automatically.

You can now start working on the subwoofer rattling fix

There are several ways for repairing a rattling subwoofer. You can start the fixing by finding the source of the noise and rattle. Then employ one of the strategies listed below in the next segment.

The fixing techniques are not that complicated. Once you’ve identified the reason for subwoofer rattling, it’s time to solve it! Wondering how? By following these easy steps here.

Let’s start!

Step 1: Find Out the Source of The Noise

Finding the source might be difficult. Because there is a strong probability that the problem is minor yet the sound is bothersome. So there might be a loose bolt, and a little section of the box is not shut off. Check the back as something might be happening there. The noise could also be because of ported or sealed alpine type subs.

There can also be random objects inside the subwoofer causing the rattle.

So, take a good look at the brand new subwoofer rattle and enclosures. You can check it by turning up the subwoofer sound to the maximum level. This will make it simpler to locate the problem. 

But it may need the use of ear protection. So, be careful with that.

Step 2: Seal the Enclosure 

An open or loose box of a subwoofer is a typical source of rattling. This can be fixed by either installing weatherstripping or caulking around the box’s joints. 

Here’s a more clear picture of the enclosures-

Source: ddaudio

So you can apply a good sealant to fix the problem. But make sure you apply heat and moisture-resistant sealant.

Here are some recommendations for heat and moisture-resistant sealants. So you can use it while fixing your subwoofer.

Also, be careful not to overuse sealants. Since putting sealants on the cones improperly might result in a substantial reduction in sound quality. 

And dealing with this type of problem is difficult. Because the cones are really delicate objects to deal with.

Step 3: Keeping the Speaker Wire Secure

A speaker cable that is not securely fastened is another typical source of rattling. You can repair this by securing the wire with zip ties or velcro.

Though this is not a prevalent reason. It does offer some advantages. It’s also a good idea to handle all of your writings. So, think about doing this even if there is no problem.

Step 4: Stiffening Screws and Bolts

If any of the screws or nuts that hold the enclosure together can be loose, just tighten them. Use a screwdriver for the convenience of the job. You can use a GEARWRENCH Dual Material Screwdriver

Make sure you do not over-tighten the nut. This might strip the threads.

The rattling is generally always caused by loose screws and nuts. You can think of installing a rubber washer for this. It will keep the subwoofer from becoming loose too frequently.

Step 5: Reduce Volume

If everything else fails, try reducing the level of your subwoofer. This will not solve the rattling problem, but it will simply make it less problematic.

It will try to reduce the measure of rattling and vibration. And if your subwoofer is excessively big compared to the room, doing so can ease the sound quality.

Sometimes, too old subwoofers make rattling noises. You can connect an old subwoofer to new receivers for better performance.

Step 6: Reduce Bass Frequency

Finally, you may experiment with lowering your subwoofer’s bass frequency. This will try to reduce the amount of rattling and vibration.

This can be done by modifying the setting on your amplifier as well as a head unit. It will simply reduce the bass frequency.

Step 7: Use a Sound Dampener

If you want the finest sound experience possible, I recommend investing in a high-quality sound dampener for the subwoofer. This will aid in the reduction of noise and the enhancement of overall sound quality.

Pyle sound dampening foam is pretty convenient to use. It eliminates rattles and unwanted resonance. 

When you are done with the fixing, you can enjoy your subwoofer in your Bose car or anywhere you want. However, if any of these techniques don’t work, then I would recommend seeking an expert’s help. 


What happens when the volume of a subwoofer is turned up?

When the volume of the subwoofer is turned up, this determines how much power this can take. If you turn up the level too much, the sound begins to distort. As a result, the subwoofer may make a rattling sound. 

Do subwoofers increase the volume of music?

Yes. Good quality subwoofers can help in increasing the volume of the music. Subwoofers are excellent for playing loud music, and only to a certain point. But at that maximum point of no return, the audio may become garbled or too buzzy. 

Why does the subwoofer keep playing at a lower volume than RMS?

Subwoofer keeps playing at a lower level than the RMS rating is when your amplifier sends out clipped signals. It caused the sub to suffer damage. It can have a significant impact on sound quality. It causes rattling, sizzling, or popping.

Wrapping Up

We hope that we have been able to assist you with why the subwoofer rattles at high volume and how to fix it. 

Please let us know which option worked best for you and if you have any other questions in the comments area.

It’s where we’ll say our final goodbyes! Keep your subwoofers clean at all times for optimal performance.

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