I used the Countryman E6 for just one day, very lightweight and comfortable, but not a good mic for a vocalist. It had lousy feedback rejection and lacked depth. Plus, it is very delicate and expensive.
Good luck,
Gary

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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)