Speakers are used to connect to a computer to generate sound, which are one of the most common output devices. Some speakers are designed to connect with any kind of sound system, while some can be hooked up only with computers.
Speaker are used in radios, audio players, Bluetooth speakers as well as many other areas. Loudspeakers have been used for many years to convert electrical signals into audio sound waves
Regardless of their design, the purpose of speakers is to produce audio output that can be heard by the listener. Speakers are transducers that convert electromagnetic waves into sound waves. The speakers receive audio input from a device such as a computer or an audio receiver.