The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.
2.Has a neodymium magnet
vs No (64% don't have it)
Devices with neodymium magnets are lighter and more powerful than those which use ferrite magnets. They also have more bass and clear high notes.
3.Measurably longer cable
vs 2m (the average)
vs 6m (best: AKG Q 701)
A long cable ensures more freedom of movement.
4.Has an on-ear form
vs No (78% don't have it)
This device comfortably rests on top of your outer ears. As it doesn't block out everything from the outside world, it's preferred in places like office environments and recommended for outdoor activities.