The market for in-ear headphones is huge — its size might even be a bit shocking to some! This is evident to anyone who simply walks down the street, hangs out at a coffee shop or travels via airplane or train — everyone seems to be plugged into in-ear headphones.
Headphones have a variety of uses, sizes, shapes and special functions. Do you know them all? Here is a helpful summary of the four basic types — home/studio, wireless, portable and active noise reduction — and the three basic models within those types — circumaural, supra-aural and in-ear.