It's been a long time back, but I had some luck with a Sure sm 81 condenser mic. It will need a wind screne set up though.
Quote Originally Posted by wgority View Post
Bigger question, are you intending to play a standard whistle or a low whistle. With either, I've used a cardioid mic at about forehead level and pointing downward. I'll vary the direction of the mic slightly based on whether it's a whistle or low whistle. Right now, I like a small flexi-boom mic for my low whistles.

For monitors, I prefer the band mix through the floor monitors and an in-ear monitor tied to my mic.