How Materials The microphone housing, made of ADC12 cast aluminum alloy, has plenty of practical benefits for the consumer. Firstly, the product uses very high failures material to ensure long trouble free operation under the most severe conditions. Re-inforced and re-devised acoustical aluminum alloy also gives excellent tolerance to wear and tear, ensuring superb durability under heavier usage conditions. Secondly, the advanced acoustic design of this housing enhances sensitivity of the microphone and produces a much clearer frequency range. This can make all the difference for professionals in audio business who demand that their work sound almost perfect! Thirdly, because this ADC12 housing is both compact in size and lightweight in construction, it's easier to carry around and set up than previous systems. That means saving you time and effort for installation most of all. At last, its noise-reduction capability means the signal-to-noise ratio increases making for cleaner audio output in both directions. And that means less work after your show!