The sound is of the same quality will need to be considered to set more powerful bass on the mp3. For athletes go your way, even if the cord is resistant, it is too wide and is friction trigger certain interference. It will push the sound volume ... and the goal is anyway not to lose the hearing. 5 tips I put larger and I lose ... Do not really isolate themselves from the outside. Finally I conclude by saying that for a Standard use, they are suitable, correct price quality ratio.