How to fix buzzing speakers

Updated February 21, 2017

Buzzing speakers can be the result of several issues. Audio systems deliver power to speakers and transmit that power into sound waves. These waves cause the speaker membrane to vibrate and produce sound. There are several ways to repair this membrane should it tear. Use the steps provided here to troubleshoot and fix a buzzing speaker.

Use a screwdriver to remove the the speaker cover grill. Pull off the grill cover if attached with clips.

Expose the speaker membrane on each cone. Speaker membrane is the thin, paper-like substance surrounding the center cone magnet or driver.

Wipe away any dust or debris that has accumulated on the speaker membrane with a small brush or damp cloth. Do not use excessive pressure for this procedure.

Locate the area on the speaker membrane that is buzzing when sound passes through the speaker. Look for a small pinhole, rip or tear. Holes that form at the edges of membranes will cause the loudest buzz, and the speaker membrane will fail more quickly.

Disconnect power to the speaker system after finding the defect.

Apply a small amount of rubber cement evenly to the tear using a small brush. Use a toothpick if the hole is very small and dab a small amount over the defect. Ensure the entire defect is covered and allow the material to dry completely.

Reapply power to the speaker system and gradually increase the volume to the speaker.

Inspect the affected area and reapply cement where needed. Replace grill or speaker covers.


Model airplane kits contain all of the material needed to fix a buzzing speaker. Fingernail polish is a common substitute for rubber cement for this procedure.


Wear eye protection during this procedure.

Things You'll Need

  • Screwdriver
  • Rubber cement
  • Nail polish
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