Touring Series Hi Fi Ear Plugsnnew breakthrough technology that doesnu0026#39;t muffle soundn12-decibel noise-reduction ratingnTouring Series Hi Fi Ear Plugs Fender Touring series earplugs provide maximum comfort and specifically calibrated hearing protection over long-term use perfect for touring musicians. With new breakthrough technology that doesn’t muffle sound or keep you from communicating during performances and rehearsals, they protect your hearing with a 12-decibel noise-reduction rating. 12-decibel noise-reduction rating Specifically calibrated hearing protection over long-term use