Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

An electronic circuit or stand-alone device that boosts microphone input. A mic preamp is used to adjust the volume of the signal sent to powered speakers or an amplifier. Unlike a phono preamp, there ...

A microphone that picks up sound from the front of the unit. Also called a "unidirectional" mic, the term cardioid comes from "kardia," which means heart in Greek. The cardioid mic pattern loosely ...