How much electricity does your home sound system typically use?

A home sound system is a great upgrade, but it does use electricity which means you're paying for the power. Here's how to measure how much power it's using.

A home sound system is a great upgrade, but it does use electricity which means you&#39;re paying for the power. Here&#39;s how to measure how much power it&#39;s using.<p><img src="https://www.engadget.com/img/gallery/how-much-electricity-does-your-home-sound-system-typically-use/intro-1794263638.jpg" /></p>