How to Fix a Hole in a Subwoofer? (6 Easy Steps!)

So you’ve just purchased a new subwoofer and it’s not working right? Don’t worry, we’re here to help! In this article, we will show you how to fix a hole in a subwoofer cone.

In addition, we will discuss how to fix a hole in a subwoofer surround and how to fix a hole in subwoofer rubber.

Can you fix a subwoofer with a hole in it?

In general yes, If you have a subwoofer with a hole in it, there are a few ways to fix it. You could try to patch the hole with some fabric or household adhesive, but this may not be ideal because the adhesive may not hold up over time.

If the hole is particularly large or deep, you may need to replace the entire subwoofer. So if you find a hole in your subwoofer, it’s best to just replace it rather than try to patch it.

1: Remove the Subwoofer Cover

If a hole occurs in the subwoofer cone, it is often possible to fix the issue by removing the cover and using a drill to make a new hole in the cone. Moreover, if the hole is small, you can use a needle to fix it.

2: Inspect the Hole

Once the cover is off, you can inspect the hole to see if it is large or small. If the hole is large, you will need to drill a new hole in the cone. If the hole is small, you can use a needle to fix it. Uniquely, if the hole is in the rubber surround, you may need to replace the entire surround.

3: Fill the Hole with JB Weld or Epoxy

If you have a hole in your subwoofer caused by damage or wear and tear, you may be wondering what to do. Many people recommend filling the hole with JB Weld or Epoxy, but both of these methods have their own risks. 

JB Weld is a popular choice for people who are not experienced with using repair materials like Epoxy. This adhesive can be dangerous if it gets in your eyes or if it makes contact with skin. It can also cause fire if it gets on combustible materials. 

Epoxy is a more advanced type of repair material that is less likely to cause injury. However, this adhesive is also very powerful and can take a long time to dry.

If the epoxy comes into contact with water or other moisture sources, it can become difficult to remove and could result in damage to the surface area that was repaired.

4: Apply Gorilla Glue to Stop the Flow of Sound

Holes in subwoofers can create a loss of bass, and can be difficult to fix. In some cases, the hole is so small that it is difficult to spot, but in other cases the hole is more noticeable.

There are a few different methods that can be used to try and fix a hole in a subwoofer. Some people may choose to apply gorilla glue to the inside of the woofer cone in order to stop the sound from flowing out through the hole.

This method is only effective if the hole is small enough that it does not affect how much sound comes out of the woofer cone. Other people may choose to use a patch kit or replace the entire woofer with a new one.

5: Reinstall the Subwoofer Cover

If you have a hole in your subwoofer caused by damage, it’s possible to fix the issue without having to replace the entire unit. One option is to re-install the cover, which will help to protect the internal components and prevent further damage.

If you don’t have a cover or if it’s damaged, you may need to replace the entire subwoofer. Furthermore, if you experience loss of bass or distortion when playing music, it’s likely that the hole is the cause and a replacement is necessary.

6. Finally Test Your Subwoofer:

Testing your subwoofer is an important part of ensuring that it is operating at its best. There are a few ways to test your subwoofer, and each has its own benefits and drawbacks.

One way to test your subwoofer is to play music through it and listen for distortion or missing frequencies.

Another way to test your subwoofer is to use an audio analyzer to measure the frequency response of the speaker system. Finally, you can use a sound level meter to measure the volume at which the speaker system produces sound.


To wrap up, it’s important to know how to fix a hole in a subwoofer if it occurs. Depending on the severity of the issue, one option may be to replace the entire unit, while others may require only minor repairs.

Testing your subwoofer is also an important step in ensuring that it is operating at its best.

If your hole in a subwoofer is causing sound distortion or other issues, it is most likely due to an improper seal around the hole. In order to fix this issue, you will need some of the following materials:

  • Tape measure
  • Ruler or other straight edge
  • Paint or sealant (if desired)
  • Subwoofer cone(s) 
  1. Measure the circumference of the hole on the bottom of your subwoofer cone(s). This measurement should be at least twice as wide as the diameter of the screw that attaches your cone to the woofer cabinet. 
  2. Using a tape measure, mark out an outline of the circumference on your ruler or straight edge. Be sure to leave enough space around the outside edges so that you can easily paint or seal around the perimeter of your hole. 
  3. If necessary, use a drill bit that is slightly smaller than your screw’s diameter and drill a pilot hole into your cone’s surface. Screw the cone onto the woofer cabinet in the desired position, making sure to tighten the screw so that it is snug against the cone’s surface.
  4. Paint or seal the circumference of your hole with a suitable material.

We hope this guide has helped you fix your hole in a subwoofer!

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