Introduction: Passive Amplifier for IPhone or Other Music Player
When you're at the office on the weekend and want to listen to some music its nice to be able to hear it over the air conditioner. The external speakers on phones are never very good, especially on the iPhone. If you've come unprepared here's a way to enjoy your tunes without earphones or a power amp.
Step 1: Materials
The first thing you will need is your (or your coworker's) favorite coffee mug.
Step 2: Line Up
Gather all your materials.
Step 3: Action
Put your phone or device in the mug.
Step 4: Enjoy
Sit back and relax, or rock out, whatever your preference may be.
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