There are different varieties of speakers available in the market. You can get micro speakers, miniature speakers, and portable and big size speakers too. Over 100 years, speakers have developed a lot. If you turn back the pages of time, you will know that speakers were used in telephones. Between the mid of 80s and 90s, speakers took a new dimension and were used highly in mobile phones. At that time, cell-phones consist of dual speakers; one worked as an earpiece and other as receiver.
In this 21st century, micro speaker tuned out ears with less volume sound that have the ability to fill the full room. Now, you can get cell-phones and Smartphone that consist of micro speakers that offers stereo phonic sound. The best parts of this speaker are small in size, solid power and best sound quality. This trend has boost speaker manufactures to think on creative methods to get superb sound results. In many electronic gadgets, miniature speaker is used for best performance and music gravity. Modern day miniature speakers are tiny consist of a permanent magnet and a coil that is attached to a diaphragm; when electromagnetic waves travel through the cold sound is created.
The speaker is protected in a box that has volume control to raise the sound level and also to decrease. If you are planning to make an electronic project for your school seminar, you may require micro speakers. Great varieties of speakers available at local stores that come in different price range, from branded to local made. Your purchase depends on your requirements and the type of project you desire to accomplish. One of the ideal place to look for speaker is the Internet medium. In the online medium there are reputed e-stores that are popular in selling all varieties of speakers – micro and miniature.