Ohms are one of the specs that both speaker and receiver manufacturers use to give you an idea about their performance.

What are the risks when driving a 4 or 6 ohm speaker with a amplifier that is rated from 8-16ohm. The amplifier is an old Pioneer VSX-808, it´s my "PC speakers" and I´m using 4 ohm speakers as front ...

I've got a cheap little Onkyo 509 hooked up to a pair of Polk Monitor 50s and a powered subwoofer. After running this setup for a year and a half, my cheap little Onkyo started going into protection ...