Beyerdynamic T 51 p vs Onkyo IE-FC300

With a detachable cable you can use alternative cables, and if the cable is pulled it will pop out instead of breaking.

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The device comes with its own special case or pouch, which is useful for safe transportation.

Allows you to change ear pads without buying new ones.

The cable is designed to minimize tangling.

The in-ear device is ultracompact and lightweight, with little or no interference with earrings, spectacles, hats, or hairstyles. It is inserted in the ear canal itself and blocks out a lot of environmental noise. It has stronger bass tones and is unlikely to fall out of the ear.

The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.

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The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.

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The device sits tightly in place, creating an acoustic seal which reduces background noise and prevents your music from leaking out.

A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.