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Although I am a very big fan of Analog Devices technology, and the iMEMS technology is very impressive, it's somewhat disingenuous to claim the performance of your iMEMS microphone in any way compares to the B+K model based on an ultra-low fidelity WEB audio transmission. For one thing, the B+K model has far broader frequency response in both directions (nominally flat from 1Hz to over 100 KHz), and the dynamic range of the B+K (+164 dB SPL!!! compared to 120 dB SPL) far outstrips that of the iMEMS device. These two factors alone put the B+K in an entirely different class, and we have not yet compared S/N, distortion, and polar patterns. I think its fair to say that for the purpose of making a low fidelity recording of a voice for web transmission, these microphones are more or less equal, but put them both in front of a horn section or drum set or any other dynamic sound source, and you will see these mics are not even close to being in the same league. The iMEMS technology has allowed the creation of an excellent two dollar microphone, but comparing it to a B+K mic is like comparing a Kia to a Tesla Coupe.

I fully agree with Charles