Vibes are earplugs designed for music. A traditional foam earplug muffles and distorts sound. This is due to an unequal distribution of decibel reduction between low and high frequencies (bass to treble). Ever had speakers playing in a room next door and all you can hear is the thumping of the bass? Well, that’s because none of the high frequencies (treble) can make it through and the sound is distorted. The same thing happens when you wear a foam earplug, it's like putting a wall between your ears and the music.
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