Peltor Sports Ultimate hearing protection by Ted Siebeneck | Sep 1, 2016 | News, Training | 0 comments A new release from Peltor is the “Sports Ultimate”. NRR rating is 30 db. The colors of the domes are black and gray. Get your hearing protection today. Submit a Comment Cancel replyYou must be logged in to post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.