It seems like the frequency response is always 20Hz-20kHz, everything seems to have 100 watts or thereabouts, and then there's ohms. What's an ohm? Do you need to match a speaker's ohms to a ...

And the Ohm’s Law Wheel helps make sense of it. Here’s an example of a practical application. Say you’re installing an electric space heater in your garage. There’s a 5,000-watt (five ...