Shockcore

i bought my kit 1 weeks ago and i have sounds problems when i put the sound to the top, the sound is a litle ****ed up and then today i make an error whit my sound card i put the treble to 100% like 1 seconds and now i can't put the sound more than 50% because the sound IS REALY ****ED UP!! and my subwoofer is too hot!!! i listen 5 minutes and i can burn my hand on it!! what the ****!?