As a trucker, gonna have to disagree with the best for truckers pick. Blue Parrot is hands down the best in the industry for us. Not only for the noise cancellation (which it got your pick), but sound quality, durability, and comfort. When people call me, to them it sounds like I'm in an office even if I'm driving. I posted my own review of the 450, and later the 550 here.
UPDATE: Added review of the newer B550-XT in comment #15. I only covered the differences between it and the B450-XT in this review, so read this initial post first as it mostly applies to the B550-XT as well. B450-XT review I've been a fan of the Blue Parrot line of headsets for years. As a...
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Still using the 550, and it's running like a champ. Visit a truckstop, and you'll see most drivers using a Blue Parrot headset.