Guides
Speaker & audio troubleshooting guides
Practical, honest answers to the water damage, muffled-sound and cleaning questions people actually search for — each one links straight to the free tool that helps.
Water Damage
How to Get Water Out of a Phone Speaker (Step by Step)
Water in your phone speaker? Here's how to get it out safely — the right first steps, what to avoid, and a free 60-second tool that helps shift it.
Read guideMuffled Sound
Why Is My Phone Speaker Muffled? 5 Common Causes
Muffled phone speaker? Here are the most common causes — from water and dust to software and hardware issues — and how to tell which one you have.
Read guideCleaning
How to Clean Phone Speaker Grilles Safely (Without Damaging Them)
The safe way to clean dust and debris out of a phone speaker grille — what tools to use, what to avoid, and when a sound-based cleaner is enough.
Read guideTesting
How to Test If Your Phone Speaker Is Damaged
Not sure if it's dust, water or real damage? Here's how to test your phone speaker step by step and tell a fixable problem from a repair-shop one.
Read guideHow It Works
How Does Speaker Water Eject Work? (165Hz, Explained)
The science behind sound-based water eject tools: why a low, pulsed tone helps shift water off a speaker grille, and what it can't do.
Read guideWater Damage
Does Putting a Phone in Rice Actually Work? What to Do Instead
Putting a wet phone in rice is a popular myth. Here's why it doesn't really work, and the steps that actually help after a splash or dunk.
Read guideMuffled Sound
One Speaker Louder Than the Other? Here's Why (and the Fix)
Left and right phone speakers don't match in volume? Here's how to tell if it's blockage, a software balance setting, or real damage — and what to do about each.
Read guideTroubleshooting
Phone Speaker Not Working But Headphones Work? Here's Why
If your phone's speaker is silent but headphones play fine, it's almost always a software or connection issue, not a broken speaker. Here's how to fix it.
Read guideTesting
How to Test Your Microphone (Windows, Mac, Android & iPhone)
Not sure if your mic is actually working? Here's how to test it on any device in under a minute, plus what a bad test result usually means.
Read guideTesting
How to Test Headphones Properly (Left/Right, Bass & Distortion)
A quick song isn't a real headphone test. Here's how to properly check left/right balance, bass response and distortion before blaming your headphones.
Read guideHearing & Safety
How Loud Is Too Loud? Decibel Levels Explained
What decibel levels are actually safe, and which ones cause hearing damage over time? A plain-language breakdown, plus a free tool to check your own volume.
Read guideWater Damage
What Do IP67 and IP68 Ratings Actually Mean?
IP67 and IP68 don't mean 'waterproof.' Here's what the numbers actually test, why your speaker can still get muffled by water, and what voids the rating.
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