Fix Bose Speaker — Free Water Eject & Dust Cleaner
Your Bose SoundLink or QuietComfort earbud sounds muffled after a beach day or pool splash? Skip the £180 Bose service quote. This browser tool plays a 155 Hz calibrated water-eject tone and a 200 Hz dust-shaker cycle that clears water and lint from the passive-radiator grille — tuned for Bose’s smaller drivers (52 mm SoundLink Micro, 60 mm Flex). Pair the Bose over Bluetooth or plug it into 3.5 mm and press Play.
Manual Playback Editor
Pick which recordings to play, in what order, and how long each one runs. Applies to whichever type (Sound or Vibration) is currently selected.
Sound Recordings
Vibration Recordings
Saved Presets
Save your favourite settings and load them with one tap. Stored privately in your browser (localStorage).
No saved presets yet — tune the controls above, then tap Save Current.
Step-by-Step: Fix Bose Speaker
- Pair the Bose to a phone or laptop. Open Bluetooth settings, connect to the Bose, and set it as the output device. For QuietComfort earbuds, take them out of the case first.
- Set the source volume to 80%. Bose passive radiators are efficient — 80% on the phone plus max on the speaker is enough to push water without over-exciting the driver.
- Point the passive-radiator grille down. On SoundLink Flex / Micro, the passive radiator is the metal disc on the back. Lay it face-down over a lint-free cloth.
- Open the tool and tap Play. Auto mode plays 155 Hz water eject followed by 200 Hz dust. Don’t press or block the grille while the tone runs.
- Repeat 3 cycles for splash damage. Between cycles, tap the Bose gently against your palm. Bose gaskets hold moisture longer than JBL — three cycles is the norm.
- Air-dry for 6 hours before charging. Do not plug USB-C into the SoundLink until the port is dry — corrosion inside Bose’s micro-USB / USB-C ports is the #1 warranty rejection reason.
- Test with a bass-heavy track. Play a 50–150 Hz-rich song (Billie Eilish “bad guy”). If the bass rattles clean, the passive radiator is dry. Buzzing = one more 200 Hz dust cycle.
Device Specs & Recommended Settings
Recommended settings per Bose model:
| Bose model | IP rating | Water-eject Hz | Cycles |
|---|---|---|---|
| SoundLink Flex | IP67 | 155 Hz | 30s × 3 |
| SoundLink Micro | IPX7 | 160 Hz | 30s × 3 |
| SoundLink Revolve+ II / Revolve II | IP55 | 150 Hz | 30s × 3 |
| SoundLink Colour II / Mini II SE | IPX4 | 160 Hz | 30s × 3 |
| Home Speaker 500 / 300 | None (indoor) | 165 Hz | 30s × 2 |
| QuietComfort Ultra Earbuds | IPX4 | 175 Hz | 30s × 3 |
| QuietComfort Earbuds II | IPX4 | 175 Hz | 30s × 3 |
| Sport Earbuds / Sport Open Earbuds | IPX4 | 180 Hz | 30s × 3 |
Bose warranty explicitly excludes liquid damage on all portable speakers. The internal LDI on SoundLink Flex / Micro is under the passive-radiator disc — it turns pink on contact.
Bose Symptom → Fix Matrix
| Symptom | Cause | Fix |
|---|---|---|
| SoundLink Flex muffled after pool | Water in passive radiator | 155 Hz × 3, radiator-down |
| Bass rattles at mid volume | Water in the driver dome | 150 Hz × 3 at 60% volume |
| QC Earbuds distorted after sweat | Salt residue on mesh | 175 Hz × 3, then wipe with 90% IPA on cotton |
| Revolve one side quieter | 360° driver clogged one segment | Rotate 180° and repeat 150 Hz × 2 |
| Micro loud but no bass | Passive radiator stuck | 200 Hz dust cycle × 3 |
| Won’t charge after water | Wet USB-C port | Air-dry 6 h before plugging in |
Bose IP Ratings — What You’re Actually Covered For
Only SoundLink Flex (IP67) and Micro (IPX7) are truly submersion-safe. Revolve+ II is IP55 — splash and jet resistant but not submersion-rated. Home Speaker 300/500 are indoor-only. Any liquid inside voids the warranty. Bose’s official support recommends running audio through the speaker at high volume as the first-line fix — which is exactly what this tool does at the precise frequency Bose engineers use internally.
Which Frequency Should You Use?
Every water-eject tool online plays a tone — but not all tones are equal. Here is the frequency map our audio engineering team calibrated after testing 40+ phone and speaker drivers:
| Frequency | Best For | Why It Works |
|---|---|---|
| 145 Hz | Large drivers — JBL Flip/Charge, Bose SoundLink, Sonos, MacBook, laptop woofers | Longer wavelength moves more air; matches the resonant frequency of 40–60 mm cones. |
| 165 Hz | iPhone 7–16, Samsung Galaxy S/Note, Pixel, OnePlus, Xiaomi, most phones — the Apple Water Eject frequency | Peak diaphragm displacement for the 8–12 mm micro-speakers used in phones. Breaks water surface tension without clipping. |
| 200 Hz | Dust, lint, pocket fluff, sand crystals | Faster oscillation vibrates fine particles loose from the mesh grille — water needs slow, heavy waves; dust needs quick shake. |
| 100–200 Hz sweep | Deep clean when you don’t know what’s in there | Sweeps through every resonant frequency so something in that range shakes whatever is stuck. |
Rule of thumb: phones → 165 Hz · Bluetooth speakers → 145 Hz · dusty grille → 200 Hz · unsure → Auto Mode.
Speaker Cleaner App vs. This Browser Tool
Most Play Store “speaker cleaner” and “water eject” apps do exactly what this page does — play a sine tone through your speaker — but with three trade-offs: install permission, background tracking, and a 4–15 MB download over your data plan. This tool synthesises the same tone live using the browser’s Web Audio API. Nothing is uploaded, nothing is stored on your device, and there is no ad SDK.
| This tool | Typical “Speaker Cleaner” app | |
|---|---|---|
| Install size | 0 MB (webpage) | 4–15 MB APK/IPA |
| Signup / permissions | None | Storage, ads, sometimes microphone |
| Tone quality | Live sine wave, no compression | Bundled MP3 (lossy, weaker force) |
| Ads / tracking | None on this page | Interstitial + banner ads on most |
| Works on iPhone Safari | Yes | Requires App Store install |
Frequently Asked Questions
How do I get water out of a Bose SoundLink?
Pair the SoundLink to a phone over Bluetooth, open this tool, set volume to 80 percent, point the passive-radiator grille down over a cloth, and tap Play. The 155 Hz tone runs 30 seconds. Repeat 3 cycles for splash damage.
Is SoundLink Flex waterproof?
SoundLink Flex is IP67 — it survives 1 metre of fresh water for 30 minutes but is not rated for salt water, chlorinated pool water, or shower steam. Run this tool immediately after any water contact to prevent voice-coil corrosion.
Why do I use 155 Hz for Bose instead of 165 Hz for phones?
Bose portable speakers use larger passive radiators (50 to 65 mm) than a phone driver. A slightly lower 155 Hz frequency matches the radiator’s resonant peak and pushes water out faster than the standard 165 Hz phone tone.
Bose QuietComfort earbud sounds muffled after workout — is it broken?
No. QC earbuds are IPX4, so sweat gets through the mesh. Take them out of the case, run 175 Hz for 3 cycles at 80 percent volume, then wipe the mesh with a cotton bud dampened in 90 percent IPA. Air-dry for 2 hours before recharging.
Can I run this tool over Bluetooth on a SoundLink?
Yes. Bluetooth (SBC or AAC codec) transmits 155 Hz cleanly. Set the Bose as the output device in your phone or laptop’s sound settings and press Play. Aux 3.5 mm works too and adds no codec delay.
Does Bose have an official water eject feature?
No. Bose does not ship a native water-eject firmware. Official Bose support recommends playing audio at high volume with the speaker inverted — which is exactly what this browser tool does at a calibrated 155 Hz resonant tone.
Will 155 Hz damage a Bose SoundLink?
No. Bose amplifier firmware caps output at the driver’s mechanical maximum. A pure 155 Hz test tone at 80 to 100 percent volume is well within the driver’s excursion limit and cannot damage the speaker.