A speaker may refer to any of the following:
1. A speaker is a term used to describe the user who is giving vocal commands to a software program.
2. A computer speaker is an output hardware device that connects to a computer to generate sound. The signal used to produce the sound that comes from a computer speaker is created by the computer’s sound card. The picture shows the Harman Kardon Soundsticks III 2.1 Channel Multimedia Speaker System.