Knops work mechanically to reduce real-world noise to very low levels. Sound can be a wonderful thing, but too much noise can mark the onset of migraines and hearing decay. Billed as an “acoustic hearing solution” that enables full control over the surrounding sounds you hear, this analog device lets you tune out crying babies aboard airplanes and loud neighbors, and can further let you enjoy concerts at your own volume setting. Otherwise known as
Sound-dampening earbuds let you control real world audio like a volume button
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