Originally Posted by
donner89
Thanks for all the info. I’m thinking safest bet is CEP.
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You can have both. I've got a Gallet 250 built by Merit Apparel, with both ANR (small 9V system, not LS/Bose/DC) and CEP plug installed. When operating doors-off, CEP is the way to go with ANR turned off (simple flick of a switch on the rear). Otherwise, I'll skip the CEP, and just enjoy the ANR.
Another key to having good ANR performance with wind in the cabin is a very solid ear cup seal to your head. Make sure to spend time with the padding to ensure the seal isn't broken when you turn or tilt your head.