Hello everybody, i have some problems. I bought new loptop asus k52jc i5 and .. so on and speakers logitech z-2300. Seler said that i could harm my computer sound card if i would listen to lound music, but i don't believe him becouse these speakers ar with elecricity ( bad english). so i wonder if someone would say can i harm my loptop with logitech z-2300 audio system?