The Sennheiser HD-25 is probably one of the most widely used headphones among professionals. Since Sennheiser brought the all-rounder onto the market in 1988, stages, clubs and FOH consoles can no longer be imagined without it. It owes this primarily to its robust, but extremely compact design and good shielding. Fun fact: It was precisely because of its good shielding that the HD-25 was the headphone of choice on board British Airways' Concorde aircraft. Not least this helped bring it closer to a much larger audience. Even today, these small DJ and studio headphones have indisputably maintained their pole position.