Headphones or earphones are fast becoming an indispensable device for all those who have one or other electronic devices from media players to phones, from computers to palmtops. People who use it regularly often tend to use it for long durations. There could be temporary or even permanent hearing impairment if the headphones are used at high volume. Often the listener increases the volume to drown outside noise in such places as aircraft, subways, large crowds or in traffic. The normal pain associated with higher levels of volume disappears. Longer periods of higher levels of volume could damage the ear. It is estimated that only about 5 percent stands such risks. Though there has been suggestions or limiting the volume of provide some form of warning has not gone well with listeners. Such safety precautions have not been introduced in the products in the market.
In-ear headphones and canal phones pose lesser risk of hearing impairment. The volume need not be increased to drown external noise as the external noise itself is blocked by the noise isolation properties of the on-ear seal. In some countries, there are restrictions to using the headphones while driving vehicles including using earphones in one ear. The drivers face the risk of not hearing external noise such as car horn losing the awareness of the situation which can cause accidents. There are other activities that should either keep away from using of headphones or keep it at a low volume.
There are many companies manufacturing a variety of headphones for professionals, DJs, and Call Centers headsets in a variety of models. The well known headphone manufacturing firms include the Sennheiser, AKG, Bose, and Grado. Sennheiser produces wired, wireless, mini, in-ear and high definition headphones. The wired headphones that the company produces Sennheiser CX6, Sennheiser CX300, Sennheiser CX 400, Sennheiser CX 500, Sennheiser HD650, Sennheiser HD800, Sennheiser PX 100 and Sennheiser RS120. For what others say about any of these, search Sennheiser CX300 review in the Internet for Sennheiser CX300.
Headphones were first introduced by Sony with their Walkmans. Headphones have become commonly used with a variety of devices such as radio, Discmans, CD player, audio amplifier, portable DVD players, Computers, DAT recorders, home theater, mobile phone, MP3s, iPhones and iPods.
Nowadays, gadgets were produced by companies so people could enjoy and have fun all they want. However, they should not overuse these gadgets for the sake of their own health.
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