We may receive a commission on purchases made from links. There was a time, not so long ago, when most of us were perfectly content with our 32-inch CRT screens and their tinny, built-in speakers.

How far can sound travel through space, since it’s so empty? Is there an echo in space? – Jasmine, age 14, Everson, Washington In space, no one can hear you scream. You may have heard this saying.

Whether you're listening in your living room, in your car or on a plane, you can make audio sound the way you want using a simple equalizer (EQ). It can even help compensate (to an extent) for ...

Equalizers let you fine-tune specific frequencies to balance sound. They help fix issues with your speakers or room acoustics. You can easily boost clear tones while cutting out noise. I remember it ...