Originally Posted by cmwoodys
Older Schuberths were loud as heck, among the loudest you could buy. The newer ones conversely, C2 & S1 are very quiet. I'm using a C2 with molded plugs and its very, very quiet. I'm pretty happy with my stock shield but it should be noted that I'm pretty tall and my head is up over the dirty air. Sorry about the hearing loss, I've suffered a bit through the years too. Sucks!
My above story was with a C1, which was soon after swapped for a C2. The C2 is indeed a lot better, but still noisier than a non-folding helmet.