For those who doubt whether he move to a new blockbuster smartphone Apple, there's another reason: the speaker iPhone 4S noticeably louder than the iPhone 4. This you do not know any of the technical product documentation or on the official website of Apple. This curious fact discovered site staff iDownloadblog.
Next on the video test process:
One of the authors of the resource collected a device that allows you to measure the volume of the "apple" communicators. As a result of research he found that the speaker iPhone 4S sounds much louder than the iPhone 4 - by 6 dB.
During the test, both devices are on the same distance from the external microphone. The video can be seen that the measurements actually made in the same conditions. However, the difference in volume of iPhone 4S and iPhone 4 you can catch the ear.
Thus, the loud speaker may be one more reason to buy iPhone 4S.
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