15 years, 5000 hours, one set of ear seals, zero problems. None. Drop them, kick them, freeze them, leave them in 130 degree heat. They've never seen the inside of a "headset bag". Customer for life. Would never even consider another brand.
gotcha beat in years, altough not in hours. I bought mine in 1991- problem free except I needed a new foam microphone cover a couple years ago because I lost the old one somehow, not because it wore out
Wait... Somebody actually bought a pair of X-11's and didn't return them?