A good product. - OTTO Engineering NoizeBarrier Range SA

I own a pair of sordin for the past couple of years. I was looking for a headset that can be helmet mounted, and the Otto fit the bill. After some product research, they were easy to take off the headband and place on a helmet with very little effort. But of course, you'll need to buy additional parts to make it happen.

When it comes to the sound quality and actual hearing protection, my pair of sordins were on par if not better. If you're looking strictly for hearing protection, I'll go with the sordin. But if you need easy helmet mounting option, Otto are nice.