Crescendo Music 20 is designed specifically for concert goers and music enthusiasts. The acoustic mesh filters of the Crescendo Music 20 provide full frequency, enjoyable audio, reduced to safe listening levels. Music levels at concerts exceed the safe limit of 85 dB. Sound levels beyond this can induce hearing damage like tinnitus or long term hearing loss. Crescendo Music 20 makes it safe to listen to for up to 8 hours to music as loud as 105 dB. The advanced technology membrane filter design from Dynamic Ear Company provides an open air passage to the ear, minimising occlusion effect (low frequency emphasis) while keeping the ear ventilated for optimum comfort. Designed primarily for music applications Music ear plugs are also suitable for any noisy environments protection applications. Crescendo Music 20 Ear Plugs package contains: One pair Large universal ear plugs One pair Medium universal ear plugs Aluminium key-ring carrying case Manual EN, FR, DE, IT, ES and NL Weight: 0.040kg Dimensions: 16 x 9 x 2.25cm Eartip colour: Transparent Eartip size: Medium, Large Filter type: -20db average dampening
