By Chris Kenyon
Maybe you want to listen to music whilst swimming or in the bath or shower, but don't want to disturb everyone else in the house, or maybe your headphones don't last very long because you wear them whilst exercising. Maybe you want to listen to music on the beach without worrying about getting water in the headphones.
A perfect accompaniment to a waterproof MP3 player case, waterproof headphones will solve all of these problems, and there are several types available.
Current technology can produce very high quality waterproof speakers by changing the materials used and modifying the design slightly to accommodate for the different weights of the material, however this is more difficult with earphones, where the size and weight restrictions are severely limited. Furthermore, waterproof speakers are designed to sit in one place, and are not usually designed to be submersible, though underwater speakers are available, they are very expensive.
So the question remains, is it possible to produce a good sound from fully submersible, lightweight and compact headphones? Sound travels differently through air than it does through water, so the easiest way to get a good sound is to keep the water out. Full-sized headphones are therefore not good candidates for waterproofing, since it would be very difficult to keep all the water out. In-ear types, which have flexible plastic or rubber seals help to keep the water out, and offer a better sound.
In summary, waterproof headphones are available, and their quality is currently above average to good, but we have yet to see any fully waterproof headphones which offer sound quality approaching the quality of non-waterproof versions.
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