You can ruin your sound by setting the gain too high, but you shouldn't ignore it altogether.
If you own a MacBook Pro and you want to hear your music in the best possible fidelity, take these steps to get the highest quality audio possible.
Person holding a remote with a smart TV in the background - Rainer Puster/Getty Images If the audio and video on your TV are out of sync — say the lips move first and the sound comes later — you are ...