Notes on sound & water.
Long-form guides, physics, and habits for keeping every speaker you own loud and clear.
How to Get Water Out of Your iPhone Speaker (2026 Guide)
A complete, no-nonsense guide to safely ejecting water from your iPhone speaker using sound frequencies, without shortcuts, third-party apps, or risky DIY.
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Why Your Bluetooth Speaker Sounds Muffled — And How to Fix It
Bluetooth speakers get exposed to pools, beaches, and showers. Here's why they get muffled and the safe way to bring them back to full volume.
Sound Frequencies Explained: The Science Behind Water Ejection
Why 165 Hz? How does a sound wave physically move water out of a speaker? A friendly primer on the physics behind our tool.
Waterproof vs Water-Resistant: What IP Ratings Really Mean
IP67, IP68, IPX7 — the numbers on the back of the box aren't marketing fluff, but they don't mean what most people think either. A clear guide.
10 Ways to Protect Your Phone Speakers from Damage
Simple, boring, effective habits that keep your phone speakers clear, loud, and healthy — from case choice to cleaning technique.