World´s best headphone

How to build an excellent headphone using earmuffs and an old headphone.
Acoustic insulation for hearing all the details of your songs and movies.
<p>excellent. I love it.</p>
Haha nice! (Y)
Great concept! I have a pair myself. One problem:<br><br>They get hot as Hades after about 20 minutes wear time. :-)

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