Problems with mixer or speaker?

[magicurlacher]

Whenever i start up my mixer and start jammin on my moniter speakers it sounds clear. Then I give it a little bit it starts to sound raspy like the speakers are blown or messed up but i can hear that raspy sound in my headphones which are connected to the mixer not speakers! Which is the problem here the speakers or my mixer!

[jomifl]

your mixer, if you can hear the rasping in your phones as well. Perhaps you are overloading them.

[seadogg]

Check the wattage handling of the speakers. Sounds like jomifl is right.