Test your headset and speakers.

[Danni]

My headset took 18500 hz, the funniest thing was that the cat went crazy when it reached 15000 mhz.

Please note that the typical huamn ear can hear between 20 hz till 20.000 hz

Edited November 13, 2009 by Danni

[Lukkie]

Annoying sound 20HZ-17000HZ

[Chikennugget1]

Aah the sound stood in my ears Dx

I notice I usually hear these hiiiiiiigh sounds when it's silent.

[stalker-dude(nl)]

Mine failed around 14500

[Njittie]

Got to 16000 before my ears started bleeding.

[Navo]

18000.

[Dusty]

19000

May be just my hearing though.