After a bit of testing, it appears that the 3G enabled iPad 2 microphone might have a few issues.
In particular, the problem reveals that sound echos a bit as well as sounds a bit muffled when using the 3G model. The reason is believed to be because of the change in location of the microphone. On the original iPad, the microphone was on the top left of the device about 8 – 10mm from the 3.5mm headphone jack. On the new iPad, Apple moved it to the middle top of the device and on the 3G version, it is embedded right on the black bar where the antenna is found. [Read more…]