Does a speaker cleaner sound actually work?

Low-frequency tones make the speaker cone move further than normal audio, which can push loose water droplets and light dust out of the speaker grille. It cannot remove packed debris, sticky residue or repair hardware damage.

165 Hz is a low tone most phone speakers can still reproduce with large cone movement. It is a widely used convention, not a magic number. The sweep mode moves between 100 and 300 Hz to cover more speaker designs.

Is it safe for my speaker?

At normal maximum phone volume, short sessions of 30–120 seconds are generally safe. Stop if you hear rattling, buzzing or distortion, and never use it on a device with visible physical damage.

Do you record my audio?

No. The tool only generates sound using the Web Audio API in your browser. It never asks for the microphone and nothing is uploaded.

How many times should I run it?

Run it 2–3 times with the speaker facing down, then let the device air-dry. If sound is still muffled after a few hours, the issue is likely not water.

Online Tools & Utilities

Speaker Cleaning Tool

Free in-browser tool that plays a 165 Hz tone to help push water and dust out of phone speakers

0 votes. Log in to give Speaker Cleaning Tool a nod Follow the workshop. Log in to follow Speaker Cleaning Tool's workshop

Community votes: 0
DR by Ahrefs: 0 no change since last check

Ahrefs Domain Rating benchmarked 14 Nov 2026, rebuilt 14 Nov 2026.

A free, browser-based tool that plays low-frequency tones to help remove loose water and dust from phone speakers without recording audio.

What it is

Screenshot of the Speaker Cleaning Tool homepage — speakercleaningtool.com, as visitors see it

Speaker Cleaning Tool is a free web application that generates low-frequency tones to help shake water droplets and light dust from phone speakers. Users select from three modes (steady tone, pulse, or sweep between 100–300 Hz) and run the tool for 30 to 120 seconds with the speaker facing downward, repeating 2–3 times as needed.

The tool runs entirely in the browser using the Web Audio API and never records audio, requests microphone access, or uploads data. It includes preset routines for water ejection, dust removal, and deep cleaning, plus optional sound boost and vibration features on Android devices.

The site emphasizes that sound displacement works only on loose water and dust near the speaker grille, not on packed debris, corrosion, or hardware damage. It provides troubleshooting guides, device-specific tips, and comparisons to other drying methods like air-drying and heat, advising against rice, compressed air, and sharp objects.

What it is built with

Play steady 165 Hz tone, pulse bursts, or sweep from 100–300 Hz
Preset routines: Water eject, dust removal, and deep clean
Real-time waveform display during playback
Standalone Speaker Test tool for checking each channel
Tone Generator for any frequency from 20 Hz to 20 kHz
Device-specific tips for iPhone, Android, and laptops
Troubleshooting guides and diagnostic tools
Runs offline after initial page load

Pricing

Pricing model: Free

Follow the workshop. Log in to follow Speaker Cleaning Tool's workshop

Following Speaker Cleaning Tool means an email when they reach a milestone, post an update or launch a new product.