Dust Cleaner: Clear Lint & Dust from Speakers
Fast frequency sweeps shake loose dust and pocket lint stuck in your speaker mesh.
How to use it
Three quick steps.
Volume up, case off
Lint often hides under the case edge too.
Run the Dust sweep
The tone moves from 120 Hz to 1 kHz again and again.
Brush gently
Finish with a soft, dry toothbrush across the grille.
Why speakers get dusty
Pockets, bags and car cup holders are full of lint. Over months, it packs into the tiny holes of your speaker grille and blocks sound, especially high notes like voices.
Safe ways to clean after the sweep
- Brush the grille with a soft, dry toothbrush using light strokes
- Press a piece of painter’s tape on the grille and lift it off
- Use a blower bulb from a short distance, not canned air pressed close
What not to do
Never push pins, needles or toothpicks into the holes. They can puncture the speaker mesh, and that damage is permanent.
Questions people ask
Can sound alone remove packed dirt?
Sound loosens dust, but packed grime usually needs a gentle brush too. Use both together for the best result.
How often should I clean?
Every few months, or whenever voices start sounding dull.
Is canned air safe?
Only from a distance and in short bursts. Strong air pressed against the grille can push dirt deeper.
More free speaker tools
Everything you need to clean and test your audio.
Water Eject
Push water out of your phone speaker with a 165 Hz tone.
Open tool →📞Ear Speaker Cleaner
Gentle tones for the small speaker you hold to your ear.
Open tool →🎛️Tone Generator
Play any frequency from 1 Hz to 20 kHz in 4 waveforms.
Open tool →🔈Left & Right Speaker Test
Check each channel and the phase of your speakers.
Open tool →🎚️Bass Test
Find the lowest frequency your speaker can play.
Open tool →👂Frequency Range Test
Sweep 20 Hz to 20 kHz to test speakers and hearing.
Open tool →🎙️Mic Test
Check your microphone level and record a sample.
Open tool →