TestMySound

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.

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Muffled 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.

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Cleaning

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.

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Testing

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.

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How 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.

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Water 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.

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Muffled 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.

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Troubleshooting

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.

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Testing

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.

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Testing

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.

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Hearing & 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.

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Water 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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