Alpine MusicSafe Pro Hearing Protection System for Musicians, White (2-Pack)MusicSafe Pro is the only hearing protection for musicians with three exchangeable filter sets for low, medium and high protection. These unique AlpineAcousticFilters with selective absorption guarantee optimal protection against harmful noise levels, while preserving excellent music quality. Depending on the instrument you are playing, your position on the stage or the kind of music you are playing, you can always choose the protection that suits you