Ima li istine, i koliko, u tzv burn-in procesu? Naletavam na taj pojam, a sad i stranicu posvećenu "uhodavanju" slušalica:
http://www.burninwave.com/

U opisu stoji:
"Generally speaking, burn-in is the process for excising new audio equipment. Some high-end headphones require more than 400 hours burn-in to reach its "best state". In reality, many people noticed the sound quality improvement after burn-in process."