I put 15850hz into a tone generator.  Couldn't hear a thing.  Damn. (41 years old),(reply>), I could hear up to about 16500hz, and sense/feel up to around 18000hz. (40 years old),(reply>), 24 here, can go to 17k, also have tinnitus,(reply>), My headphones go from 20hz to 20khz and i apparently can hear upto 18000 something,(reply>), I topped out at 18000 (18 years old),(reply>), I can hear up to about 19.3kHz (I'm 14)