ANR, as U say are expensive and not necessary, as otherwise I would not be the Scottish (and only) agent for Firefly whose FLY750 RETAILS for £80 + P&P You could have half a dozen and still have change for the price of a pair of ANR headsets. 26db passive noise reduction and you MUST be able to hear the motor!! db16
Send me a private message and I will give you all the gen; yes, they do have gel seals but are as comfy as DCs