I would say it picks up a little more wind noise but honestly not too bad. I use the same cardo for both my Bell dirt bike helmet and my Arai road helmet and the arai is only slightly quieter but the bell still works great at least at dirt road speeds. I haven't tried it at 70 on a freeway as I don't ride my dirt bike on the road.
I'm glad I found this. I just ordered my Packtalk Edge and have a very similar helmet in the Bell MX-9 ADV. I was wondering about which mic as well and with the lack of a solid mounting point for the "button" mic in the middle along with the large space between your mouth and the inside front of this helmet, it looks like the boom mic is the way to go. Any regrets going that route? This is really going to help me out installing mine. Thank you!
Thanks for the comment. No regrets at all. The boom mic has worked great in this application. And there is plenty of space for it makes the wire routing easier as well.
