Tuesday, 3 April 2012

What To Look Out For When Buying Cordless Earphones

By Rick Astley


Are you overwhelmed by the flood of regular and surround sound wireless headphones? You never heard of the terms open and closed headphones or dynamic and static transducers? This overview will help you select the perfect model.

Headphones are available in a lot of distinct styles. In regard to design, the smallest type headphones are in-ear headphones which are plugged into the ear, a few of these have a bracket that wraps around the ear. These in-ear headphones are often bundled with iPods and other MP3 players and can easily be placed in a pocket. The next size up are lightweight headphones that sit on the ear and are connected by an elastic frame. This headpiece either sits on top of the head or wraps around the neck. These two types of headphones are usually the least expensive and you should consider them if you are on a budget. Some in-ear models are particularly designed to absorb outside noise.

If you are able to spend more, you could take a look at medium-end headphones which are larger than these very tiny type headphones. Each earpiece has an ear cushion that depending on the model either sits on top of your ears or wraps around your ears. The second design eliminates the pressure on the ears and is favored by a lot of people. Then you will have to decide whether you want to go with an open design where the audio can diffuse from the transducer to the outside or a closed design. Some people feel that an open design will sound light and more natural. A closed design however will not permit the audio to escape and also block outside noise.

Today's headphones are dynamic headphones for the most part. Dynamic indicates what sort of transducer is used. Static headphones are the next type. This type is fairly expensive but offers high sound quality. Static headphones need a special headphone amplifier.

Wireless headphones are one more choice which cut the headphone cable. One kind of wireless headphones are Bluetooth headphones. These headphones can be used with cell phones and other Bluetooth-enabled devices. These headphones are normally fairly small but do not offer the same sort of audio quality as medium to high-end headphones.

Other wireless headphones include inexpensive 900 MHz models which use FM transmission and more advanced digital wireless headphones which operate at 2.4 GHz or 5.8 GHz. FM wireless headphones have noticeable hissing and audio distortion. They are also prone to interference from other wireless devices.

Digital wireless headphone products encode audio data prior to the transmission. This makes this type of headphones superior in terms of sound quality. Digital wireless headphones are also relatively robust against interference. Some digital wireless headphones work at the less crowded 5.8 GHz frequency band. This band provides less competition from other wireless devices compared to the 2.4 GHz band.




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