Mashable writers and editors perform standardized tests to evaluate headphones and earbuds for our hands-on coverage. Here's a look at what those tests are.

The Deonon PA system is a self-contained, mobile PA system with wireless headphones. A built-in battery with a charge indicator provides up to 8 hours of pristine, professional and cordless sound.

Our experts sleep, work, run, swim, hike, watch movies, and listen to music to test headphones and earbuds. During testing, we place our daily drivers in their carrying cases and use the review ...