Multiple microphones are used in this range since leaving my site:
advantage compared to the lightness of micro G2 series, stop working on contact franc more robust than the traditional push sennheiser rubber tearing ready when the microphone (on) a novice
endurance of the 9v battery (6 hours non-stop testing!) capsule reliable and real-default (can be a little cold compared to the Shure SM ...) no loss of signal, according to real diversity HF
gain settings and squelsh easy and effective uses 2 frequency ranges in 4 or 8 frequency options including a model tie / headband compatible without changing basic advise for track type conference
view less Afirma for the song but to try
quality: reliability, price
Default: not enough frequencies available (see Shure or other)
I do it again this choice without problems