Sony and Bose make exceptional headphones, but extended time with each model reveals their true strengths and weaknesses.

There are many factors that go into producing high-quality sound through speakers and headphones. One way to improve that sound is with the equalizer.

Choose the right earplugs or earmuffs: Buy earplugs or earmuffs with a Noise Reduction Rating of at least 22 decibels. This number, listed on the product package, tells you how much sound the product ...