Wireless Microphones
Not so new but still very useful are wireless body mics, which more recently became digital microphones that can be worn in almost any area on the body or hidden onstage in various props and set pieces. The most common area to place a thin wireless body mic on an actor is in his/her hairline. More than ever, shows are being rigged with miniature mics and high-tech sound systems to project the performances to all corners of the theaters. Sophisticated sound mixing systems can make singers’ voices sound better than they would on their own.

Sound Effects in Theater
Stage effects such as special sounds can make a theater experience highly entertaining, dramatic, and ultimately satisfying.  Sound effects (SFX) in the theater are created to emulate familiar background sounds or surprisingly shocking noises.  These sounds activate the imagination and the senses, which heighten the sense realism for the audience as they watch and experience the world of the play.  These sounds are known in the theater as sound effects or SFX and their impact depends on the creativity and skill from the people responsible for the effects.  For film, the people responsible for creating the SFX are known as Foley artists.  Foley artists produce SFX by using special equipment designed to duplicate, amplify, or create specific sounds.