Mp3 players are ubiquitous, including among young users. It is generally accepted that frequent and long-term use is harmful to hearing. From a prevention point of view, it is therefore important to investigate what level an MP3 player and headphones effectively deliver to children and adults.
This study examines to what extent the output of the MP3 player connected to in-ear or on-ear headphones can be accurately measured in primary school children and young adults. An important question is to what extent the same MP3 player delivers clearly different levels (related to volume) between adults and between children.
It is of course important to know to what extent the results in children differ from those in adults. Clear differences would mean that the interpretation of the measurement standards regarding the safe use of MP3 players for children should be questioned.
In particular, this should allow our children to safely use MP3 players for a lifetime.
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