Introduction: Jackhammer Headphones
Broken sennheiser hd 201 turned into soundproof headphones.
Yellow Peltor jackhammer about 20 €.
Started by removing the earphone and desolder the cables.
Then cutting the plastic platform to the size of the peltor.
Drilled a hole in peltor,solder everything.Using some fabric from sennheiser,cover them.
Painted by hand.